Word commonly used in the Vietnam war to describe a person whos eyes look asian, or slant. As in you could zip there face up. Also see gook which is another term to describe asians.
There are 3 billion zipper heads. 1.6 billion muslims, 700 million Africans, 350 million Europeans and people of Euro decent.
Used during vietnam, Charlie was coined zipperheads because of the way a head looked after it had been hit with a high powered automatic weapon. The the typical rising machine gun would cause a face wound that looked like an open zipper on the face of some one from the viet kong.
That gook looks like a Zipper Head beacause of the machiene gun fire.
Hey Zipper Head, learn how to drive.