- An informal talk.
- The high-pitched bark of a small dog.
- (Geordie) A badly behaved child, a brat.
- The mouth, which produces speech.
"Shut your yap!"
- (intransitive) Of a small dog, to bark.
- (intransitive, slang) To talk, especially excessively.
"You’re always yapping - I wish you’d shut up."