look up any word, like mexican microwave:
 
1.
Batty Chirp is a derogatory comment to someone else, by means of giving them back chat.
Batty Chirp is also where someone is chatting blatant shit to you and you know that they are exaggerating or lying in order to make themselves seem better than you.
"Oi mate, don't be giving me any of that batty chirp!"
"Are you giving me batty chirp?"
by Benicassim August 13, 2011