kibitz
From Longman Dictionary of Contemporary Englishkibitzkib‧itz /ˈkɪbɪts/ verb [intransitive] American English informal 1 HELPto make unhelpful remarks while someone is doing something2 to talk about things that everyone already knows in a boring way incessant philosophical kibitzing —kibitzer noun [countable] the usual crowd of kibitzers→ See Verb tableOrigin kibitz (1900-2000) Yiddish kibitsen, from German kiebitzen, from kiebitz “lapwing” (type of bird that makes a lot of noise)