The penis head aka the crown is said to look like Darth Vader's head. The Vader Stamp is the action of a man stamping a woman's head with the penis head.
by StopTheStamp December 13, 2014
 Get the vader stampmug.
Get the vader stampmug. When getting head as your partner pulls away you cum up your partners nose instead of in their mouth, creating a nassel rasping sound when they talk like Darth Vader.
by Kboss156 July 30, 2009
 Get the Darth Vadermug.
Get the Darth Vadermug.