kill ass 

(1 An exclamation commonly used to convey extreme annoyance and/or frustration at ones current situation

(2 A term used during anal sex to convey wanting to be fucked up the ass harder, presumably until the participant's ass is in pain or "destroyed"

In the first context, the term is not meant to be taken literally or to show actual sexual attraction.

In general, the term kill my ass seems to have originated from the similar terms fuck me and fuckmeuptheass.

When you are completely roasted toasted and caught by surprise. A term you should not often use as you should always have an ace in your hole. Hopefully, when you do use this term, those around you will be so completely and utterly destroyed both physically, mentally, and spiritually that they'll bow down and worship you.

a retarded jokir simp and a shitty pvp player.

A tight, tangled knot of loose hair and lint that forms inside clothing during the clothes dryer cycle. It typically hides inside garments, causing an annoying lump or a phantom tickling sensation against the skin until it is found or falls out onto the floor during folding.

n. A screenshot fabricated by a company to misrepresent the graphics of a game; a combination of the words bullshit and screenshot.

Originated from Penny Arcade, a popular gaming webcomic.

N. A neighborhood containing homes, clubs, bars, restaurants, and other places of business and entertainment that cater to homosexuals.