Green’s Dictionary of Slang

quicumque vult n.

a prostitute.

1719		in D’Urfey Pills to Purge Melancholy I 200: But see the result of their quicunque vult.
[1784		Rambler’s Mag. May 188/2: Ranelagh has become a very common place ; and [...] the inscription over the door is now Quicunque vult?].
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1793		Sporting Mag. May II 117/2: ‘I fancied,’ said the Doctor, ‘there was something Athanasian in her looks [...] She seemed to be a Quicumque vult.’.
1811		Lex. Balatronicum.
1821		R. Waln Hermit in America on Visit to Phila. 2nd series 26: Had an assig. with a Quicunque Vult—a snug little cinder-gabbler.