1. a dog that barks frequently or excessively
Usage: informal
2. a person who talks constantly or annoyingly
Usage: informal; sometimes derogatory

Examples

• The neighbor’s little yapper kept everyone awake all night.
• That small yapper barks at every squirrel in the yard.
• Don’t be such a yapper during the movie.
• The meeting was delayed by a few yappers who wouldn’t stop talking.
• My sister’s dog is a real yapper when strangers come to the door.
• He’s known as the office yapper because he never stops chatting.