Normally found on African American women a "Vadercap" is when a African American women hair doesn't move when she turns her head side to side giving it the appearance of her hair looking like she has a Darth Vader helmet on.
Look at the grease on that Niggers hair, Her hair doesn't move when she turns her head. Bitch has a Vadercap
by AX333 July 13, 2011
The spongey purple darth vader helmet shape glans of the male sexual reproductive organ. Also the most sensitive part of the male penis
While on her hands and knees she licked his vader cap
by Stella Bella August 14, 2006