kibitzer

Definition of Kibitzer in English :

1. kibitzer

(Yiddish) a meddler who offers unwanted advice to others

WordNet Lexical Database for English. Princeton University. 2010.

Kibitzer

noun Informal

1.

an onlooker at a card or chess game, etc., esp. one who volunteers advice

2.

a giver of unwanted advice or meddler in others' affairs

intr.v. kib·itzed, kib·itz·ing, kib·itz·es also kib·bitzed or kib·bitz·ing or kib·bitz·es
Informal

1. To chat; converse: "[They] are very reserved people and prefer not to kibitz with strangers" (Ann Marie Sabath).

2. To offer unwanted or meddlesome advice, such as that given by the spectator of a card game.