A term used to define something which is so awesome, it is beyond any level of awesomeness. It is as much greater quantitatively than awesome as arse is greater than ass.
That is simply arsesome.
by Ouri October 20, 2005
A threesome where anal sex is the only kind of sex allowed...
Mary, Joseph and Gabriel had a massive arsesome last week
by Woody0606 April 10, 2007