burger with "special" sauce on it, or to jizz on someones burger while said name person is absent from burger.
Mark: this burger taste funky
Jason: yea that's cause its a snowburger with smegma sauce.
Mark: jaded clapper and lots of barf!
When you hit someone in the face (esp. mouth) with a snowball during a snowball fight.
That bitch totally got served a snowburger.