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1 definition by Spammie

 
1.
an abbreviation for "just so u know," used whenever instant messaging something matter-of-factly

sometimes used as a synonym for the abbreviation fyi (for your information)
Dan: i love that movie!
Serena: u stillll havent returned that copy i lent u...jsuk.

Jsuk, dont worry cuz we arent the only ones who forgot our essays.
by Spammie December 11, 2007