"Balls on a hanger" is used to indicate that something is really awesome, sometimes in a unique or special way. The phrase can be shortened to "boah," which is pronounced phonetically.
The turkey sandwich from that shop is totally balls on a hanger; they use avocado and horseradish sauce and then toast it.
The act of dropping fecal matter or "droppin' a dook" off of a suspended platform;
ie. A balcony, scaffolding etc.
John: Oh what the hell man, what the fuck are you doing?
Tim: I'm pullin' a hanger man...
John: There's a name for that!? Awh god...
Tim: Ain't nothin' like dookin' off the balcony. Hand me the toilet paper.
A young girl with cum on her face. Reference to the similarity between male semen and wallpaper paste, such that would accumulate on the face of an inexperienced wallpaper hanger.
When I'd finished jizzing on her face she looked like a paperhangers apprentice.