kibitzer [kib-it-ser]
noun, Informal.
1. a spectator at a card game who looks at the players' cards over their shoulders, especially one who gives unsolicited advice.
2. a giver of uninvited or unwanted advice.
3. a person who jokes, chitchats, or makes wisecracks, especially while others are trying to work or to discuss something seriously.
Synonyms
See more synonyms on Thesaurus.com
2. meddler, busybody, snoop.
Origin: From Yiddish, dating back to 1925-30; See origin at kibitz, -er
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.