cent, n. — Green’s Dictionary of Slang

cent n.

(US black)

1. $1.

1957		H. Simmons Corner Boy 45: Four cents for the plunge, and it’s lemonade.
1967		P. Thomas Down These Mean Streets (1970) 328: ‘Twelve bolsas. It’s a bitch man, like at five cents a bag an’ a bean for works, that’s some bread.’ I made mental figures and my junkie panín needed seventy-two dollars a day to keep from coming apart.
1969		R.R. Lingeman Drugs from A to Z (1970).
1972		D. Claerbaut Black Jargon in White America 61: couple of cents n. two dollar; a few dollars.
1974		V.E. Smith Jones Men 13: We wanta do ten cents on some of that white-bag stuff you had last time.
1980		E. Folb Runnin’ Down Some Lines 170: Dude told us he don’t sell no more ten-cent bags [...] It’s quarter [$25] bags nowadays or fifty cents [$50].
1992		UGK ‘Trill Ass Nigga’ 🎵 Cut a fifty cent slab and tell that bitch to get gone.
2002		W.D. Myers Handbook for Boys 171: [H]e said he had some weed and needed thirty cents for it,’ Kevin said. [...] ‘He bought thirty dollars worth of weed?’.

2. $100.

1965		W. King Jr. ‘The Game’ in Kochman Rappin’ and Stylin’ Out (1972) 396: ‘You think I’d put game on you for two cent? I got busted, The Man got me. Let me run this broad down, and I'll give you the cakes’.
1974		V.E. Smith Jones Men 173: ‘What you selling the pounds for?’ ‘Fifty cents.’.

In compounds

cent-foot (n.) [OED suggests a play on a protoype of the card game piquet, piquet au cent which required the winner to score 100 points; such intimacy suited a card-table]

the amorous or flirtatious pressing together of a couple’s feet under a table; footsie-footsie n. (1)

1640

R. Brathwaite Ar’t Asleepe, Husband? 163: [At the Play-house she] gracefully whispers in her Vshers care [...] and now and then at some amorous-moving passage, playes at Cent-foot purposely to discover the pregnancy of her conceit.