Yapper
Full definition of yapper
Noun
yapper
(plural yappers)- (slang) One's mouth, especially of a gossipy person.Shut your yapper or I'll shut it for you!
- One who yaps.
- 2004, Theresa Mancus, Who moved my bone?: a guide for multi-dog households (page 25)If you want your pack to be a deterrent against burglars or muggers, forget about small dogs, yappers though they be. Focus on the larger breeds, particularly working stock with strong instinctual drives.