look up any word, like darude - sandstorm:
 
1.
A very permiscuous girl (slut) who also has a very bitchy attitude. (bitch=mutt).
That girl I just met from the bar totally wanted to blow me but I could deal with her bitchy personality anymore, damn slut-mutt.
by MistahBradshaw August 30, 2010
 
2.
A dog carried around usually in a hand bag by celebrities such as Paris Hilton.
Check out that slut Paris Hilton over there carrying her Slut Mutt. I bet she uses her furry checkbook to pay for everything as well.
by Jimmy B from Oz December 13, 2010
 
3.
A guy who consistently seeks the companionship of slutty girls.

A guy who prefers to date sluts.

See: player playa dog hound whore-monger
Tyler spent the evening on the net chatting up multiple sluts trying to arrange a hookup. He is such a slut mutt!
by TriciaB. May 30, 2011