Kvetch \KVECH\ , intransitive verb;
1. To complain habitually
1. A complaint
2. A habitual complainer
According to Etymonline.com:
Kvetch, meaning "to complain, whine," dates to 1965 and comes from Yiddish kvetshn, which is literally "squeeze, press," and derives from German quetsche, "crusher, presser."
I need to stick this one in my New York lingo hat. Lots of New Yorkers like to throw around Yiddish words (we've all schlepped at some point, no?)
*Today's word and the first definition were both taken from Dictionary.com's 'Word of the Day' for Tuesday, October 28