is an adjective that is used to describe those who are fucking idiots, and are entirely oblivious to this fact. Especially pertaining to those who ramble on and on about things that are clearly only relevant or interesting to them. Therefore, everything that comes out of their mouth is comparable to that of a chirping bird or in other words, no need to listen.
jamey: "do you remember that totally ridiculous bro that was trying to talk to us at the bar last night?"
ken: "oh yeah dude,vaugely, he was chirpy as fuck."
A name given to a woman's vagina, often used in the state of Texas. It is especially used for elderly womens vagina that can widen to at least 4 inches (perhaps a fist) wide.
"Gosh, Susan, you should have seen grandma's ole chirpy last night. She had at least 5 eggs up there!"