'kvetch' definitions:

Definition of 'kvetch'

From: WordNet
noun
(Yiddish) a constant complainer
noun
(Yiddish) a nagging complaint
verb
Express complaints, discontent, displeasure, or unhappiness; "My mother complains all day"; "She has a lot to kick about" [syn: complain, kick, plain, sound off, quetch, kvetch] [ant: cheer, cheer up, chirk up]