A person who is very horny and likes to masturbate a whole hell of a lot. Also has much sexual knowledge. Usually a guy (hence, SIR wacksalot). May also have a S/M reference, I'm not sure. Usually is a very proud pervert, who has a sense of sexual honor to uphold.
Also spelled "Sir Whacks-a-Lot"
dude"That dude is, like, a total sir wacksalot. I can't believe how open he is about what he does. He shouldn't be talking about that stuff around here."
dudette"well, he's MY hero!"
group: big stares from half, coughing from 1/4, smiles from 1/4