Green’s Dictionary of Slang

(US gay) good-looking; sexually attractive, often comb. with number.

1972		B. Rodgers Queens’ Vernacular 110: humpy (late ’60s–’71) tall and handsome; answer to a queen’s prayer.
1978		A. Maupin Tales of the City (1984) 166: How about that, guys? Can you buhlieve the pecs on that humpy number? I mean, pullease, Mary!
1983		D. Wilson Perfect Relationship 33: barry is a self-styled humpy number. He wears a black leather jacket, chaps, a cycle cap, engineer boots and not much else. He sports a yellow handkerchief in his right hip pocket.
1990		B. Fraser Unidwentified Human Remains 41: I’m following some humpy number deeper into the bushes.
2003		qchicago.com 🌐 There’s always the chat rooms, which may or may not get some humpy number knocking at your door.
2004		J. McCourt Queer Street 394: Men (whom we picture as either dull trolls or as humpy numbers drawn by Paul Cadmus).