That's enough chin music back there.Okay, chum, make with the chin music. Let's have the whole story.
chin music
noun gossip, idle conversation UK, 1826
chin music
slang Talk or chatter. Can you guys please be quiet? Your chin music is distracting me from my work.
chin music
Fig. Inf. talk; conversation. Whenever those two get together, you can be sure there'll be plenty of chin music.Bill just loves to hear himself talk. He'll make chin music for hours at a time.
chinmusic
n. talk; chatter. I’ve heard about enough of your chinmusic! Hush!