1. see masterbation 2. (saying)When a man attempts to excite his penis via vigorously rubbing against something rubbing his penis physically or rubbing/hitting the genitals in an attempt at arrousal or for the purpose of masterbation 3. Often an act done during sex in which the man slaps the ass of his partner often for those hardcore sexos or those who have a fetish(fantasy/turn on) for pain 'n pleasure
Oh ya johnnies sure spanking it now (often done when a man's arrousal is exicited to such a level he can no longer contain the desire to not
A phrase used to describe someone with an adrogynous appearance, like Hilary Swank in the movie Boys Don't Cry. This is a slightly inappropriate comment because the movie is based on a real person and the storyline is sad BUT most people don't read that much into it and just get the point that Hilary Swank is unattractive as both male and female.
"OMG! Did you see what Leslie is wearing today? Totally Hilary Swankin it!"
"Man, I dunno what's up with Josh but he's been Hilary Swankin it ever since he watched that one episode of Oprah!"