wimp, n.² — Green’s Dictionary of Slang

wimp n.²

[note 1910s Oxford University sl. go wimping, for a male undergraduate to go out looking for women]

a woman.

1917		M. Marples University Sl. (1950) 98: Wimp was also used as a verb at Oxford c. 1917, e.g. to go wimping.
1923		J. Manchon Le Slang.
1999		Guardian G2 2 Aug. 5: ‘Wimp’, incidentally, was 1920s Oxbridge slang for ‘girl’ and is one of our few successful exports into American political discourse.