#1 kvetch n. (Yiddish) a constant complainer. wn
#2 kvetch v. [complain, kick, plain, sound off, quetch] express complaints, discontent, displeasure, or unhappiness; "My mother complains all day"; "She has a lot to kick about". wn
#3 kvetch n. (Yiddish) a nagging complaint. wn
vizzz