Talking to yourself without an audience, babbling, gabbing, jawing, singing, reminding yourself of something.
"I love listening to them chirping in the other room. It's interesting to hear what's inside their brain!"
by Nu Metal Professor September 13, 2021

Harvey: Gee, it’s hot out today. I think I’ll have another beer.
Gladys: How many is that today ?
Harvey: Why the chirping ? I cut the grass didn’t I ?
Gladys: How many is that today ?
Harvey: Why the chirping ? I cut the grass didn’t I ?
by Rib I April 2, 2022

When someone is talking about absolute rubbish or is taking a while to get to the point of their conversation.
Steve: Ah mate, I was out the other night... *five minutes later* ...Did I mention this?
Gary: Steve mate, quit chirping on.
Gary: Steve mate, quit chirping on.
by Chirper June 2, 2011
