kvetch
1. [ noun ] (Yiddish) a nagging complaint
Related terms: complaint Yiddish
2. [ noun ] (Yiddish) a constant complainer
Related terms: whiner Yiddish
3. [ verb ] express complaints, discontent, displeasure, or unhappiness
Synonyms: complain sound_off plain quetch kick
Examples:

"My mother complains all day" "She has a lot to kick about"

Related terms: cheer protest murmur grouch nag rail deplore report gripe bleat backbite whine repine gripe complaint