by Kung Fu Rick November 02, 2003

The act of shooting someone in the head in such a manner that the top of their head flips off like a cap.
by Diggit Buddy October 30, 2003

slamming a chick from behind,and clocking her in the back of the head with brass knuckles right after you blow.
jennny didnt know she wouldnt remember any of this tomorrow. she didnt know tommy was going to skull cap her, and knock her sorry ass out.
by chris April 13, 2005
