käfta

Etymology
From.

Verb

 * 1)  to bicker (argue in a nonproductive and somewhat heated way)
 * 2)  to mouth off (speak without discretion in a provoking manner)
 * 1)  to mouth off (speak without discretion in a provoking manner)
 * 1)  to mouth off (speak without discretion in a provoking manner)
 * 1)  to mouth off (speak without discretion in a provoking manner)

Usage notes
"To mouth" with a more animalistic word for mouth might provide intuition. See as well.