Slang. to talk; chatter: We sat up all night chinning about our college days.
Idioms
9.
keep one's chin up, to maintain a cheerful disposition in spite of difficulties, disappointments, etc. Also, chin up.
10.
take it on the chin, Informal.
a.
to suffer defeat; fail completely.
b.
to endure suffering or punishment.
Origin: before 1000; Middle English; Old English cin(n); cognate with Dutch kin,German Kinn chin, Old Norse kinn,Gothic kinnus cheek, Latin gena,Greek génus chin, gnáthos jaw (see genial2, -gnathous), Sanskrit hanus jaw