1. A semen stain on clothing, particularly embarrassing for a male around the groin area. A stain possibly caused by a male accidentally ejaculating on ones self or sexual misadventure.
2. A derogatory term used to describe a person as nothing more than a disgusting semen stain.
1. Oh shit I droppedice cream on my trousers and its going to look like a wankstain.
When an object becomes damaged and its resultant mis-shape appears to now approximate the shape of a penis. An object that is overtly phallic in design/shape.
Dude!... that landmine blew your friggen leg off - look at that thing laying there - it's totally wangtangular!
Peter, that long red convertible is spectacularly wangtangular!
WangTang_V2 from BustaBit is a word for someone who has done a $1,000,000 gambling bet for retarded odds. or small amount of money. When someone does a huge bet you call them a WangTang_V2, unlike a generic Ryan who pussies out.
You going to do a huge bet and beat the max bet, gonna be a WangTang_V2 unlike a generic as fuck Ryan??
1. A persistant annonoying twat .2. Something you desperately want to get rid off but with a great deal of difficulty.
1. Get out of my face , you wankstain !
2. That housemate of mine is harder to get rid off than the wankstain on the wall!
3. This mate of mine is a proper wankstain !