Green’s Dictionary of Slang

1. French.

1776		Foote Capuchin in Works (1799) II 404: This is some parle vou rascal! they don’t mind a rape or robbery here.
1829		W.N. Glascock Sailors & Saints I 23: A pair o’ your reg’lar-built, parlee-voo hop-kickers.
1831		Navy at Home II 111: Don’t think, I care a d—n for your French gigamaree’s. Other people can handle a sword as well as a parlez vous son of a b—h!
1886		‘’Arry on Commercial Education’ in Punch 26 Sept. in P. Marks (2006) 124: Wy, I calls that a reglar cave-in to the yah-yah and Pollyvoo lot.
1896		Regiment 27 June 192/3: You should have heard the Staff airing their parley-vous Franais ; Volapuk was not in it.
1905		Marvel III:55 11: The parlevou Froggies here.

2. foreign.

1836		Devizes & Wilts. Gaz. 8 Dec. 4/3: There’s no parlyvoo palaver about me. I’m a John Bull.
1984		Partridge DSUE (8th edn) 855/2: late C.19–20.