The large chunk of skin between the neck and the anus.
This ninja appeared out of nowhere and slashed him right in his whammy!
When receiving head and about to finish, you slam your girlfriends head down on your dick as far as physically possible while yelling WHAMMY!
Girl: My throat hurts.
Friend: Are you sick?
Girl: No, my boyfriend gave me a Whammy last night.
The act of a girl sticking her fist(s) into the vaginal cavity.
Kat had a triple whammy today!!!
A whammy is another word for 'penis', the opposite of a U.K. Fanny. It adds new meaning to the game 'Guitar Hero', where you use a whammy stick to get extra points.
*Pretty girl walks by*
Man: Wow, my whammy just got very hard.
Floppy, minging and light in colour
Under cooked sausage and bacon
Those hillbillies had a family incest whammy last night, what sick freaks.