| Street Term | Definition |
| B | amount of marijuana to fill a matchbox |
| B-bombs | amphetamines |
| B-40 | cigar laced with marijuana and dipped in malt liquor |
| B.J.'s | crack |
| Babe | drug used for detoxification |
| Baby | marijuana |
| Baby bhang | marijuana |
| Baby habit | occasional use of drugs |
| Babysit | guide someone through first drug experience |
| Baby T | crack |
| Back breakers | LSD and strychnine |
| Back door | residue left in a pipe |
| Back jack | injecting opium |
| Back to back | smoking crack after injecting heroin or heroin used after smoking crack |
| Backtrack | allow blood to flow back into a needle during injection |
| Backup | prepare vein for injection |
| Backwards | depressant |
| Bad bundle | inferior quality heroin |
| Bad | crack |
| Bad go | bad reaction to a drug |
| Bad seed | peyote; heroin; marijuana |
| Bag | container for drugs |
| Bag bride | crack-smoking prostitute |
| Bag man | person who transports money |
| Bagging | using inhalant |
| Bale | marijuana |
| Ball | crack; Mexican Black Tar heroin |
| Balling | vaginally implanted cocaine |
| Balloon | heroin supplier |
| Ballot | heroin |
| Bam | depressant; amphetamine |
| Bambalacha | marijuana |
| Bambs | depressant |
| Bang | to inject a drug; inhalant |
| Bank bandit pills | depressant |
| Bar | marijuana |
| Barb | depressant |
| Barbies | depressant |
| Barbs | cocaine |
| Barrels | LSD |
| Base | cocaine; crack |
| Bart Simpson | heroin |
| Baseball | crack |
| Base crazies | searching on hands and knees for crack |
| Base head | person who bases |
| Bash | marijuana |
| Basuco | (Spanish) cocaine; coca paste residue sprinkled on marijuana or regular cigarette |
| Bathtub speed | methcathinone |
| Batt | IV needle |
| Battery acid | LSD |
| Batu | smokable methamphetamine |
| Bazooka | cocaine; crack |
| Bazulco | cocaine |
| Beam me up Scottie | crack dipped in PCP |
| Beamer | crack user |
| Beans | amphetamine; depressant; mescaline |
| Beast | LSD |
| Beat artist | person selling bogus drugs |
| Beat vials | vials containing sham crack to cheat buyers |
| Beautiful boulders | crack |
| Beavis & Butthead | LSD |
| Bebe | crack |
| Bedbugs | fellow addicts |
| Beedies | cigarettes from India (resemble marijuana joints/vehicle for other drugs) |
| Beemers | crack |
| Behind the scale | to weigh and sell cocaine |
| Beiging | chemicals altering cocaine to make it appear a higher purity |
| Belladonna | PCP |
| Belt | effects of drugs |
| Belushi | cocaine and heroin |
| Belyando spruce | marijuana |
| Bender | drug party |
| Bennie | amphetamine |
| Bens | amphetamine |
| Benz | amphetamine |
| Benzedrine | amphetamine |
| Bernice | cocaine |
| Bernie | cocaine |
| Bernie's flakes | cocaine |
| Bernie's gold dust | cocaine |
| Bhang | marijuana, Indian term |
| Big bag | heroin |
| Big bloke | cocaine |
| Big C | cocaine |
| Big 8 | 1/8 kilogram of crack |
| Big D | LSD |
| Big H | heroin |
| Big Harry | heroin |
| Big flake | cocaine |
| Big man | drug supplier |
| Big O | opium |
| Big rush | cocaine |
| Bill Blass | crack |
| Billie hoke | cocaine |
| Bikers coffee | methamphetamine and coffee |
| Bindle | small packet of drug powder; heroin |
| Bing | enough of a drug for one injection |
| Bingers | crack addicts |
| Bingo | to inject a drug |
| Bings | crack |
| Biphetamine | amphetamine |
| Birdhead | LSD |
| Birdie powder | heroin; cocaine |
| Biscuit | 50 rocks of crack |
| Bite one's lips | to smoke marijuana |
| Biz | bag or portion of drugs |
| Black | opium; marijuana |
| Black acid | LSD; LSD and PCP |
| Black and white | amphetamine |
| Black bart | marijuana |
| Black beauties | depressant; amphetamine |
| Black birds | amphetamine |
| Black bombers | amphetamine |
| Black dust | PCP |
| Black ganga | marijuana resin |
| Black gold | high potency marijuana |
| Black gungi | marijuana from India |
| Black gunion | marijuana |
| Black hash | opium and hashish |
| Black mo/black moat | highly potent marijuana |
| Black mollies | amphetamine |
| Black mote | marijuana mixed with honey |
| Black pearl | heroin |
| Black pill | opium pill |
| Black rock | crack |
| Black Russian | hashish mixed with opium |
| Black star | LSD |
| Black stuff | heroin |
| Black sunshine | LSD |
| Black tabs | LSD |
| Black tar | heroin |
| Black whack | PCP |
| Blacks | amphetamine |
| Blanco | (Spanish) heroin |
| Blanket | marijuana cigarette |
| Blanks | low quality drugs |
| Blast | to smoke marijuana; to smoke crack |
| Blast a joint | to smoke marijuana |
| Blast a roach | to smoke marijuana |
| Blast a stick | to smoke marijuana |
| Blasted | under the influence of drugs |
| Blizzard | white cloud in a pipe used to smoke cocaine |
| Block | marijuana |
| Block busters | depressant |
| Blonde | marijuana |
| Blotter | LSD; cocaine |
| Blotter acid | LSD |
| Blotter cube | LSD |
| Blow | cocaine; to inhale cocaine; to smoke marijuana |
| Blow a fix/blow a shot/blow the vein | injection misses the vein and is wasted in the skin |
| Blow a stick | to smoke marijuana |
| Blow blue | to inhale cocaine |
| Blowcaine | crack diluted with cocaine |
| Blow coke | to inhale cocaine |
| Blow one's roof | to smoke marijuana |
| Blow smoke | to inhale cocaine |
| Blowing smoke | marijuana |
| Blowout | crack |
| Blow up | crack cut with lidocaine to increase size, weight, and street value |
| Blows | heroin |
| Blue | depressant; crack |
| Blue acid | LSD |
| Blue angels | depressant |
| Blue barrels | LSD |
| Blue birds | depressant |
| Blue boy | amphetamine |
| Blue bullets | depressant |
| Blue caps | mescaline |
| Blue chairs | LSD |
| Blue cheers | LSD |
| Blue de hue | marijuana from Vietnam |
| Blue devil | depressant |
| Blue dolls | depressant |
| Blue heaven | LSD |
| Blue heavens | depressant |
| Blue madman | PCP |
| Blue microdot | LSD |
| Blue mist | LSD |
| Blue moons | LSD |
| Blue sage | marijuana |
| Blue sky blond | high potency marijuana from Columbia |
| Blue tips | depressant |
| Blue vials | LSD |
| Blunt | marijuana inside a cigar; marijuana and cocaine inside a cigar |
| Bo | marijuana |
| Bo-bo | marijuana |
| Boat | PCP |
| Bobo | crack |
| Bobo bush | marijuana |
| Body packer | person who ingests crack or cocaine to transport it |
| Body stuffer | person who ingests crack vials to avoid prosecution |
| Bogart a joint | salivate on a marijuana cigarette; refuse to share |
| Bohd | marijuana; PCP |
| Bolasterone | injectable steroid |
| Bolivian marching powder | cocaine |
| Bolo | crack |
| Bolt | isobutyl nitrite |
| Bomb | crack; heroin; large marijuana cigarette; high potency heroin |
| Bomb squad | crack-selling crew |
| Bomber | marijuana cigarette |
| Bombido | injectable amphetamine; heroin; depressant |
| Bombita | (Spanish) amphetamine; heroin; depressant |
| Bombs away | heroin |
| Bone | marijuana; $50 piece of crack |
| Bonecrusher | crack |
| Bones | crack |
| Bong | pipe used to smoke marijuana |
| Bonita | (Spanish) heroin |
| Boo | marijuana |
| Book | 100 dosage unites of LSD |
| Boom | marijuana |
| Boomers | psilocybin/psilocin |
| Boost | to inject a drug; to steal |
| Boost and shoot | steal to support a habit |
| Booster | to inhale cocaine |
| Boot | to inject a drug |
| Boot the gong | to smoke marijuana |
| Booted | under the influence of drugs |
| Boppers | amyl nitrite |
| Botray | crack |
| Bottles | crack vials; amphetamine |
| Boubou | crack |
| Boulder | crack; $20 worth of crack |
| Boulya | crack |
| Bouncing powder | cocaine |
| Boxed | in jail |
| Boy | heroin |
| Bozo | heroin |
| Brain damage | heroin |
| Brain ticklers | amphetamine |
| Breakdowns | $40 crack rock sold for $20 |
| Break night | staying up all night until day break |
| Brewery | place where drugs are made |
| Brick | 1 kilogram of marijuana; crack |
| Brick gum | heroin |
| Bridge up or bring up | ready a vein for injection |
| Britton | peyote |
| Broccoli | marijuana |
| Broker | go-between in a drug deal |
| Bromo | 2CB |
| Brown | heroin; marijuana |
| Brown bombers | LSD |
| Brown crystal | heroin |
| Brown dots | LSD |
| Brown rhine | heroin |
| Brown sugar | heroin |
| Brownies | amphetamine |
| Browns | amphetamine |
| Bubble gum | cocaine; crack |
| Buck | shoot someone in the head |
| Bud | marijuana |
| Buda | a high-grade marijuana joint filled with crack |
| Buffer | crack smoker; a woman who exchanges oral sex for crack |
| Bugged | annoyed; to be covered with sores and abscesses from repeated use of unsterile needles |
| Bull | narcotics agent or police officer |
| Bullet | isobutyl nitrite |
| Bullet bolt | inhalant |
| Bullia capital | crack |
| Bullion | crack |
| Bullyon | marijuana |
| Bumblebees | amphetamine |
| Bummer trip | unsettling and threatening experience from PCP intoxication |
| Bump | crack; fake crack; cocaine; boost a high; hit of ketamine ($20) |
| Bundle | heroin |
| Bunk | fake cocaine |
| Burese | cocaine |
| Burn one | to smoke marijuana |
| Burn the main line | to inject a drug |
| Burned | purchase fake drugs |
| Burned out | collapse of veins from repeated injections; permanent impairment from drug abuse |
| Burnese | cocaine |
| Burnie | marijuana |
| Burnout | heavy abuser of drugs |
| Bush | cocaine; marijuana |
| Businessman's LSD | dimethyltryptamine |
| Businessman's trip | dimethyltryptamine |
| Businessman's special | dimethyltryptamine |
| Busted | arrested |
| Busters | depressant |
| Busy bee | PCP |
| Butt naked | PCP |
| Butter | marijuana; crack |
| Butter flower | marijuana |
| Buttons | mescaline |
| Butu | heroin |
| Buzz | under the influence of drugs |
| Buzz bomb | nitrous oxide |