43 definitions by JK
Originally coined by Frank The Tank (Will Ferrell) in the movie Old School, this phrase is now running rampant in college campuses across America. Can be said in agreement to a statement, or in answer to a question. Also at random times if you're bored.
1: F: Awesome... YES! I am back. Woo! You KNOW it!
2: A: This Karkov tastes really good.
J: You know it!
3: D: Dude, did you just pass me in Mario kart?
B: You know it!
4: J: God I'm wasted... YOU KNOW IT!
2: A: This Karkov tastes really good.
J: You know it!
3: D: Dude, did you just pass me in Mario kart?
B: You know it!
4: J: God I'm wasted... YOU KNOW IT!
by JK February 08, 2005
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