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 27, 2004
Get the sey mug.
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
Get the sey mug.
a magical creature in a school in romania
sei sei is the best creature
by oof_fan December 8, 2022
Get the sei sei mug.
n. an affectionate nickname for Ratty Room 6 in Brown University's Sharpe Refectory, where the brothers of Alpha Epsilon Pi eat dinner together every Wednesday at 6 pm
Jon: "Alright, I gotta run to the lab now, need to finish a Western blot."
Dave: "Are you coming by later for a little uh...a little...Ratty action at the Seis?"
Jon: "Definitely, I'll see you there."
by Railsplitter April 28, 2007
Get the the Seis mug.
A person who breaks the Sixth Commandment which signifies the person slept with a married person.
"Oh shit! He just pulled a Seis"

High five for scoring with a married chick man!
by Seis716 July 20, 2010
Get the Seis mug.
Direct descendent of the prophet Muhammad in the middle east, title of respect given to those of this blood line.
He's very religious and respectful.
He's a Seyed, he must be a great muslim.
by PersianDictionary January 12, 2013
Get the Seyed mug.
Name or title of a respected middle eastern with a bloodline to the prophet Muhammed. In no way has anything to do with any form of Terrorist organizations, but it does tie into the Islamic religion almost hand in hand. Fierce fighters from this bloodline.
Seyed is an incredibly opinionated man, but he's so traditional.
Don't mess with a Seyed they know what's up!!
by DisNikkuh January 12, 2013
Get the Seyed mug.