A fork of Rural Dictionary
A fat goth chick. White skin, black clothes, hence, shamu.
Ugh, I went to the NIN concert, and there were a bunch of pizza-face shamus.
(v.) When a female is performing felatio for a male, and the male pulls out his penis right before he is about to ejaculate and then aims his penis in the female's ear, ejaculating in and around her inner ear.
My girlfriend went deaf after I decided to Shamu her.