I. ˈyap intransitive verb
( yapped ; yap·ping )
Etymology: imitative
Date: 1596
1. : to talk in a shrill insistent way : chatter
2. : to bark snappishly : yelp
• yap·per noun
II. noun
Date: 1822
1.
a. : a quick sharp bark : yelp
b. : shrill insistent talk : chatter
2. : an unsophisticated, ignorant, or uncouth person : bumpkin
3. slang : mouth