fat lip

noun

1. a swollen mouth or lip, as from a blow:

   He said if I didn't shut up he'd give me a fat lip.

Example Sentences

Officers observed that Tiger had a fat lip from the incident, but no other visible injuries.

From The Daily Beast

It wouldn't be fair to say this one, because I think this was in the television or the newspaper with a fat lip—I remember that.

From Project Gutenberg