Green’s Dictionary of Slang

quimp n.

[? queer n. (6) + wimp n.1 (1); note WWI milit. quimp, slack, unsoldierly]

(US campus) a socially inept person.

[US]Eble Campus Sl. Nov. 4: quimp – a dull or socially inept person.
[US]Eble Sl. and Sociability 41: Punk ‘someone or something worthless’ begins with a labial and ends with two velars, whereas quimp ‘socially inept person’ begins velar and ends labial.