Two meanings::
(1) What you say to a friend (female/male) when you don't wanna hook up.

(2) What you say to a friend(female/male) when you do wanna hook up but dont wanna to seem so eager, when in all reality you are.
(1) "I've always liked you, but I don't want to ruin our friendship"
by Gino July 11, 2004
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Something a girl says when she doesn't really want to go out with you but still wants to be able to get inside of your wallet. Also see I love you, but I'm not in love with you.
'Would you go out with me?'
'I would, but, I really don't want to ruin our friendship..'
by Shelley July 11, 2004
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TMSIDK is the abbreviation of Tell Me Something I Don't Know. To show sarcasm at the obvious.
Person 1: "It's raining out"

Person 2: "Tell Me Something I Don't Know"

Can also look at sites like www.tmsidk.com for more info.
by agnoster August 19, 2010
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I don't come from graffiti

Phrase used by art historians who snub street culture whilst proceeding to discuss travels, blazers, and the nuances of english accents in the wee hours of the night.
by nobutwhoareyou December 08, 2011
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What people say when they don't wanna date someone; essentially saying, "Ewww, I can't believe you just asked me out!!!!" But trying to let you down gently.
"You're a really nice guy, but I don't want to ruin our friendship." The head cheerleader said to the nerd who asked her to the prom.
by Nicole July 11, 2004
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Means that there is no way in hell that they'd even think about going out with you.
Of cour Iyou're an amazing person and I'm really flattered that you've considered asking me out, but...I don't want to ruin our friendship.
by Carolwashy July 11, 2004
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You really, REALLY don't care about what someone just told you.
Brody: Hey, I just found this really funny video I wanna show you, it's about this-

Ryan: I don't GIVE two and a half shits, alright?!
by MCGONN June 18, 2009
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