When your railing her from behind and you pull out and bust a nut so hard it shoots her in the back of the head and she never saw it coming.

Walk behind someone who is sitting down, bare assing and farting on the back of their head.

After you abe lincoln a girl, as soon as you slap the top hat on, a friend (who has been slowly working one out) jumps out of the closet and shoots a load to the back of the girl's head, then get the hell out of there. In a perfect world the culprit needs to break his leg and scream latin gibberish, but just jumping out a window/running out the door will suffice. Timing needs to be perfect so it all depends on the dude jerking it in the background being able to nut on cue.

Sneak up behind a seated person (prefferably female) and blow your load on the back of their head.

The sexual act of ramming someone from behind then pulling out and ejaculating on the back of their head. Afterward, jumping out their window, taking off running, and yelling "The South shall rise again!!"

Sex term for surprisingly cumming on the back of someone's head. Preferably while on a balcony or in a theatre.

See also The Abraham Lincoln.

During a movie or play, you must sneak up on a man with beard and/or top hat and proceed to blow your load in the back of his head. After you're finished, successfully break your leg while fleeing from the scene.