Green’s Dictionary of Slang

rug n.1

1. [20C+] (orig. US) a wig, a toupee, a hairpiece, esp. in show business [it lies on/covers one’s head/bald patch].

2. [20C+] the hair.

3. [1930s+] the pubic hair, usu. female.

4. [1970s+] (US prison) a black prisoner.

5. see rughead

In compounds

rug-muncher (n.) [munch v.1 (2)]

[1980s+] (orig. US campus) a lesbian; thus rugmunching, cunnilingus; rugmunch, to perform (lesbian) cunnilingus .

In phrases

get one’s rug beat (v.)

[1940s] (US black) to have a haircut.

does the rug match the curtains?

a query as to whether a woman's hair is dyed or whether it matches the colour of her pubic hair.

SE in slang uses

In compounds

rug ape (n.) (also drape ape)

[1960s+] (US) a small child.

rug beat (n.)

[1920s–50s] (US black) a noisy, festive party where the dancing ‘beats the rug’.

rug cut/cutter

see separate entries.

rughead (n.) (also rug) [the texture of black hair]

[1960s+] a derog. name for a black person; also as adj.

rug joint (n.) [joint n. (3b); such restaurants were as distinguished by the splendours of their interior decoration as by their menus]

1. [late 19C+] (US) an elegant, expensive restaurant, patronized by the wealthy.

2. [1960s+] (US) an upmarket, luxury casino.

rug peddler (n.) [negative stereotyping]

[1920s] (US) an Arab.

rug rat (n.) (also rug-muncher)

[1960s+] a small child who is still crawling on the carpet.

In phrases

at rug (adj.)

[early–mid-19C] asleep, in bed.

cut the rug (v.)

see separate entry.

rug’s the word (also rug) [? the security of a rug]

[early 18C] everything is fine, all is safe.

rug up (v.)

see separate entry.