כּלבוניק

Yiddish

Etymology

From Hebrew כל "all" + Hebrew בו "within him" +‎ ־ניק (-nik, agentive suffix)

Noun

כּלבוניק • (kolboynik) m, plural כּלבוניקעס (kolboynikes)

1. know-it-all, someone who uses a wide breadth of knowledge to show off, put down others, or cause trouble needlessly
2. a jack-of-all-trades, someone who can do any required task.