A racist/derogatory turm for a
non pure breed dog.
Pure breeds say it as a insult because of there belief that “mutts” are iferour to them
Also a word used by other mutts
Pure breed : you dirty mutt that’s my tennis
ball
Non pure bread : why you say that?
Or
Mutt: hay mut want to drink some 40’s and go
party
Other mutt: ya
bro