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1.
someone that stinks so bad it makes you scream "god you reak!" In such anger your face turns red.
The smell of sweat on a man after he has eaten a lot of garlic then reaks it all out at the gym
by JmCasillas March 30, 2009
 
2.
A misspelling of “reek”.
I misspeel words like reak all the time, yo.
by Slipp D. December 13, 2012
 
3.
When something smells really bad.
Billy:*farts*
Joe: Did you fart billy?
Billy: Yea
Joe: Man that fart reaks!
by pvsen November 06, 2007
 
4.
"congratulations" or expressing extreme excitement for a special event, such as a birthday or big night out.
"awww reak for tomorrow, have a really good birthday"

"ohh i'm so reak for friday night!"

"i'm completely reaked for it"

"reaaaaaaaaaaak it's my birthday tomorrow!"
by sexyfacehippy June 18, 2009
 
5.
The definition of the biggest piece of shit in the world.
He just is a tub of shit.
Dude 1 - Hey whats up?
Dude 2 - Nothin much, johns being a reak again.
Dude 1 - What else is new * rolls eyes *
by David Willis October 30, 2007