Chewbacca boxers refers to the showing of a guys pubic hair and uttering a wookie esque growl.
Man: 'Would you like to see my new chewbacca boxers'
Woman: 'ok'
Man pulls down front of boxer shorts, thereby exposing pubic region.
Man: 'RAAAARRRRRGGGGG'
by Tattysmith March 28, 2007
Get the chewbacca boxers mug.