Green’s Dictionary of Slang

a male homosexual.

1653		Urquhart (trans.) Gargantua and Pantagruel (1927) I Bk II 401: [note] This glances at mesdames the she-goats, those bearded females, generally favourites of mesieurs the buggerantoes.
1684		Rochester (attrib.) Sodom Dramatis Personae: Buggeranthes Generall of the Army.
1707		N. Ward London Terraefilius IV 39: Buggerantus Buggerantissimus: Or, a Brief History of Modern Sodomy. To which is added, The Fundamental Amours of the late Reverend Doctor Oats. Written by a profound Admirer of the Devil’s Arse in the Peak; and Sold by Ezekiel Manlove at the Sign of the Rump, on the Back-side of the Royal-Exchange.
1709		N. Ward A Compleat and Humorous Account of all the Remarkable Clubs (1756) 269: The less Savage four-leg’d Creature, / Lives but according to his Nature; / But the Bug’ranto two-leg’d Brute, / Pursues his Lust contrary to’t.