Green’s Dictionary of Slang

1. a male homosexual, usu. a prostitute.

c.1638		R. Brome Mad Couple I i: No Gentlemen can be able to hold it out. They are too weake to make common He whores.
1676		‘Lampoon’ in Wilson Court Satires of the Restoration (1976) 20: [The Duchess of] Cleveland was doubtless to blame / On such a he-whore to dote.
1696		Motteux (trans.) Pantagruelian Prognostications (1927) II 694: Wenchers and lechers [...] fricatrices, he-whores and sodomites.
1707		J. Dunton Bumography ii: They can tell us the Vile Practices of the He-Strumpets. [Ibid.] 8: For She-Tails now scarce Earn their Bread, Since He-Whores learnt the Sodom-Trade.
1710		J. Dunton ‘The He-Strumpets’ in Athenianism – Project IV 94: The Men who thus their Lust confine, Do doat upon He-Concubine.
1718		Jonathan Wild Answer to a Late Insolent Libel n.p.: The Marshal invited his Man, the Buckle-maker, to a House near the End of the Old-Bailey, telling him, that he could introduce him to a Company of He-Whores.
1972		B. Rodgers Queens’ Vernacular 111: a male prostitute [...] he-whore.
1989		Observer 8 Jan. n.p.: It’s about sex [...] lots of it, mainly between ass-holers [...] referred to as he-whores.
1996–97		SilverLakeBoy ‘The Directory of LBGT Sl.’ 🌐 he-whore n. North American origin. A gay man; a male prostitute. Mimics the sound a donkey (‘he-haw’) makes.
2010		W. Ings ‘Trolling the Beat to Working the Soob’ in Int’l Jrnl Lexicog. 23:1 58: [T]he paper is concerned not with language about male prostitution but with language used by male prostitutes. In this regard there is an absence of terms like he-whore, callboy and hustler.

2. a promiscuous man.

2001

Siamack Baniameri ‘Moslem Gigolo’ in Iranian , 17 Jan. 🌐 Khalid is what you call a he-whore. He is a woman-chasing machine.