[ kib-it-ser ]
/ ˈkɪb ɪt sər /

noun Informal.

a spectator at a card game who looks at the players' cards over their shoulders, especially one who gives unsolicited advice.
a giver of uninvited or unwanted advice.
a person who jokes, chitchats, or makes wisecracks, especially while others are trying to work or to discuss something seriously.

Origin of kibitzer

From Yiddish, dating back to 1925–30; see origin at kibitz, -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for kibitzer

  • My kibitzer came stalking out of the building, gangling and gawky.

    Card Trick|Walter Bupp AKA Randall Garrett