Kibitzing

kib·itz (kĭb’ĭts) Pronunciation Key
intr.v. kib·itzed, kib·itz·ing, kib·itz·es Informal

1. To look on and offer unwanted, usually meddlesome advice to others.
2. To chat; converse.

[Yiddish kibitsen, from German kiebitzen, from Kiebitz, pewit, kibitzer, from Middle High German gībitz, pewit, of imitative origin.]
kib’itz·er n.

Fra: http://dictionary.reference.com/search?q=kibitzing