Green’s Dictionary of Slang

unpleasant, distasteful.

1949		I. Shulman Cry Tough! 167: Whaddya going to that kind of a creep joint for? When they lay out stiffs in coffins they dress them in clothes from there.
1952		(con. 1948) G. Mandel Flee the Angry Strangers 137: It’s a creep joint; I’ve got the horrors something awful.
1968		T. Wolfe Electric Kool-Aid Acid Test (1969) 170: He wasn’t a queer or a reporter or any of those other creep suck-ups who were coming around that summer.
1976		P. Conroy Great Santini (1977) 396: I don’t like creep boys looking at me.
1989		Pileggi & Scorsese Goodfellas [film script] 72: Let her fight with these creep bastards every week.
2012		NY Times 12 Mar. 🌐 If somebody says ‘bro you suck at football’ you would respond ‘Jit creep’.