Another form of the phrase butt head. Used in retaliation to other insulting names. Also, a more vulgar term for "butt head", it's more abbrasive.
Girl: Shut up and stop being a butt head!
Boy: Why don't you shut up and stop being such an ass scalp!
Boy: Why don't you shut up and stop being such an ass scalp!
by Dr.Fukworthy January 14, 2011