Green’s Dictionary of Slang

quicumque vult n.

also quicunque vult
[Lat. quicumque vult, whomsoever wants; ? ref. in quicunque to cunt n. (1)]

a prostitute.

[UK] in D’Urfey Pills to Purge Melancholy I 200: But see the result of their quicunque vult.
[Rambler’s Mag. May 188/2: Ranelagh has become a very common place ; and [...] the inscription over the door is now Quicunque vult?].
[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]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.’.
[UK]Lex. Balatronicum.
[US]R. Waln Hermit in America on Visit to Phila. 2nd series 26: Had an assig. with a Quicunque Vult—a snug little cinder-gabbler.