look up any word, like pussy:
 
1.
it is someone who wanks and cum's in a matter of seconds
adam came out and said ive just cumed in 12 seconds just 2 seconds off my personal best. i better get ready for next weeks speed wank compotition
by lukeboi June 28, 2006
 
2.
When you start masturbating, call from your bedroom to a parent and try to cum before they make it upstairs.
Boy:MUM!!!
10 seconds later..
Mum: Oh my god why did you call me here?!
Boy: i failed at the speed wank.
by Adventchild November 12, 2009