adj; A term used to describe wankers that partake in sports; usually as a substitute for getting laid. Because of this, they will often become aroused by sports.
Jack: Dude, I was telling Tom about the time I nailed Lucy in this alley way but he just started talking about this football match that he won like a week ago.
Alex: Dont worry man, he's just a Sports wanker.
Jack: Yeah, what a tool.