Top Definition
Used as a substitute for yes. Originated from "yes" spelt backwards: "sey" and also has a similar pronounciation to that of the Spanish word for yes: "si".
"So, you wanna come get high?"
by Adam "Ad" Frost April 26, 2004
A word that is used in time of stokerage (see 'stokerage')!
*Guy sees a dude do an awsome reverse air (bodyboarding move)* "SEYYY!!!!
by Stevo September 10, 2003
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