Green’s Dictionary of Slang

chocolate adj.

1. [mid-19C+] (also chock) used derog. in ref. to a black person, unless used by a black person.

2. [1970s+] pertaining to the anus, to defecation and, by ext. to homosexuality; in combs. below.

Pertaining to race

In compounds

chocolate baby (n.) [baby n. (7)]

[1900s] (US) a derog. term for a black person.

chocolate bar (n.) (also chocolate chip, ...malt, ...smartie)

[20C+] (US) a derog. term for a black person.

chocolate bunny (n.) [SE bunny + inference of bunny n.1 (3a)]

1. [1970s–80s] (US) a derog. term for a black person.

2. an attractive black female.

chocolate city (n.) [-city sfx/SE city]

1. [1970s+] (US) a black ghetto, any concentration of blacks [coined by George Clinton, founder of the funk band Parliament-Funkadelic].

2. [1980s+] (US black) Washington D.C.

chocolate deluxe (n.) [a popular brand of ice-cream]

[1990s+] (US black teen) an attractive, sexy, dark-complexioned black woman.

chocolate drop (n.)

[20C+] a derog. term for a black person.

chocolate lover (n.)

[1960s+] (US) one who prefers black sexual partners, whether hetero- or homosexual.

chocolate queen (n.)

[2000s] (S.Afr. gay) a white homosexual who prefers black sexual partners.

chocolate sandwich (n.)

[1990s+] three-way sex performed by one black man and two white women.

chocolate thunder (n.)

[1980s+] (US black) any black basketball player.

In phrases

chocolate to the bone (adj.)

[1920s–50s] (US black) very dark-skinned.

Pertaining to the anus and/or excrement

In compounds

chocolate cake (n.)

[2000s] (US) homosexual anal intercourse.

chocolate canyon (n.) [canyon n. (2)]

[1990s+] the anus; thus ride the chocolate canyon, to have anal intercourse (usu. in homosexual context).

chocolate cha-cha (n.)

[1980s+] (Aus./US) anal intercourse; thus dance the chocolate cha-cha.

chocolate chimney-sweep (n.)

[1990s+] one who performs anal intercourse.

chocolate highway (n.) (also chocolate freeway, ...speedway, …whizzway)

[1970s+] (US) the rectum or anus; thus cruise the chocolate highway, ride the chocolate freeway, to have anal intercourse.

chocolate puncher (n.)

[1970s+] (Aus.) a male homosexual.

chocolate runway (n.)

[1990s+] the anus.

chocolate starfish (n.) [starfish n.]

[1990s+] the anus.

General uses

In compounds

chocolate chips (n.) [a variety of LSD packaged in brown capsules/pills]

[1970s+] (drugs) LSD.

chocolate rock (n.) [rock n. (4d)] [1990s+] (drugs)

1. a dark substance that is produced in the pipe during the smoking of crack cocaine.

2. crack cocaine and heroin smoked at the same time.

chocolate (stuff) (n.) [stuff n. (5)] (drugs)

1. [1950s] opium.

2. [1950s+] heroin, usu. that manufactured in Mexico.

3. [1970s+] hashish.