"kvetching" in the verb sense
1. complain, kick, plain, sound off, quetch, kvetch
express complaints, discontent, displeasure, or unhappiness
"My mother complains all day"
"She has a lot to kick about"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License