Green’s Dictionary of Slang

1. obsessive, crazy.

1910		Sporting Times 1 Jan. 10/2: At a freak dinner given by a New York millionaire the other day, the waiters were all dressed as Esquimaux.
1914		‘Hugh McHugh’ You Should Worry cap. 1: You can always count on Bunch having a few freak ideas in the belfry where he keeps his butterflies.
1958		E. Gilbert Vice Trap 22: I tied her to [the bed] [...] Sure, it was a freak thing to do.
1969		‘Iceberg Slim’ Pimp 98: I believe my whore loves me in her freak way.
1978		S. King Stand (1990) 526: You dummy freak bastard!
1997–2001		Online Sl. Dict. 🌐 freak [...] adj or n 1. abnormal or different. 2. unpopular, when used by “popular” people.
2023		S. Hart Once Upon a Prime 236: This stereotyped portrayal does mathematics a disservice, perpetuating the idea that only ‘freak’ geniuses can be mathematicians .

2. sexually eccentric or deviant.

1935		Ted Yates This Is New York 4 Oct. [synd.col.] Don’t think it bezarre [sic] to see the Montgomery college grads in a ‘freak’ joint.
1967		W. Manus Mott the Hoople 127: You think I dig freak sex?
1981		H. Gould Fort Apache, The Bronx 292: She wanted to hear about [...] every freak scene he’d ever been in.
1992		G.P. Pelecanos Firing Offense 75: ‘I should be able to walk through [the park] without stumbling on some freak faggots’.
2007		W. Ellis Crooked Little Vein 25: An hour later I walked into some freak bar on Bleecker Street.
2020		Card B. WAP 🎵 Your honor, I'm a freak bitch, handcuffs, leashes.

3. promiscuous.

1967		M. Braly On the Yard (2002) 89: How’d you like to stick this fine freak bitch.
1997		Simon & Burns Corner (1998) 132: The adventures with that freak girl in Manny man’s apartment.

4. pertaining to the world of hippies.

1977		(con. 1969) M. Herr Dispatches 7: Page liked to augment his field gear with freak paraphernalia, scarves and beads.
2019		S.M. Jones Lives Laid Away [ebook] Some freak chick that got too high and topped herself.

5. (US campus) good.

1968		Current Sl. II:4 5: Freak, adj. Favorable, good.
1974		H.L. Foster Playin’ the Dozens 122: freak (good, nice).