A dirty hair cut, or a scumbags paradise. The rat-skullet is a sub-species of the mullet and a cross-breed with a rat tail. In order for a person to have such an ugly hair style they should be married to their sister.
who-a, look at dat der rat-skullet, betcha that mutha just ventured a little far away from the park.
by The Mullster himself, Brendan k. January 20, 2004