Green’s Dictionary of Slang

eight adj.

SE in slang uses

In compounds

eight-pack (n.)

(N.Z. prison) a multi-occupancy cell [body-building eight-pack, well-defined absominal muscles (‘abs’)].

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 65/1: eight-pack n. a cell designed to accommodate several people.
eight-pager (n.) (also sixteener)

a small, illustrated eight-page pornographic booklet in which popular cartoon characters (Popeye, Mickey Mouse, Blondie etc) are crudely pastiched in erotic scenarios far removed from their everyday antics.

[US]B. Rodgers Queens’ Vernacular 74: eight-pagers pornographic comic booklets. [Ibid.] 182: sixteener 16-paged comic book depicting the sex lives of cartoon greats.
[[US]G. Wolff Duke of Deception (1990) 117: The cards were kept in a cigar box with an eight-page Tijuana bible that spelled tit tut].
[US](con. 1930s–50s) A. Spiegelman in Adelman Tijuana Bibles 6/2: In other regions of America they were also known as Eight-Pagers, Two-by-Fours, Gray-Backs, Bluesies, Jo-Jo Books, Tillie-and-Mac Books, Jiggs-and-Maggie Books, or simply as Fuck Books.
[US]R. Price Lush Life 141: Every fuck book, textbook, eight-page comic and titty magazine .
eight-piece (n.) [piece n. (7a)]

US drugs an eighth of a kilo of crack cocaine.

[US]R. Price Clockers 103: Eight piece [...] Eighth of a kilo was probably what he meant.
eight rock (n.) [eightball n. (1a)]

(US black) a very dark-skinned person.

[US]Elman & Handy ‘Blue Gummed Blues’ 🎵 He’s an eight rock, an’ I’d shock my people if they knew That my man’s gums are blue.
[US]A.J. Pollock Und. Speaks 36/1: Eight rock, a negro.
[US]Z.N. Hurston ‘Story in Harlem Sl.’ in Novels and Stories (1995) 1008: Eight-rock: very black person.
eight wheeler (n.) [the wagon has eight wheels]

(US tramp) a person who robs trains whether en route or stationary.

[US]Irwin Amer. Tramp and Und. Sl. 69: Eight-Wheeler.-A box-car burglar, one who robs trains while in transit or while unguarded in a yard or station.
[US]Goldin et al. DAUL 65/2: Eight-wheeler. A thief who operates on railway freight cars.