Green’s Dictionary of Slang

1. (US tramp) an older homosexual tramp who travels with a young boy.

1927

‘Jargon of the Und.’ in DN V 437: A type of homosexual pervert. Also ‘cannibal’.

2. (US black) one who indulges in oral sex, whether fellatio or anilingus.

1966		Trimble 5000 Adult Sex Words and Phrases.
1972		B. Rodgers Queens’ Vernacular.
1987		personal ad in restroom Murray & Murrell Lang. Sadomasochism (1989) 48: Cannibal, 29, male, well-built, would like to meet new ‘victims’ soon, also for light B & D, perhaps some S & M.