A really lousy computer programming language, commonly used for Remote Sensing. This language commonly pisses off everyone who is exposed to it.
Okay class, today we are going to learn IDL.

...everyone gets up and walks out.

...class? Class!?!? What, do I smell or something?
by idlisacrockofcrap March 16, 2011
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acronym for "I DIE LAUGHING"
when something is freakishly funny you can't stop laughing
OMG! did you see his face?!? IDL!!!!!
by chubastix June 10, 2011
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I Die Laughing / I Died Laughing

Used when something is just TOO funny, and it makes you die from laughing.
Ahaha, look at that guy dressed in sparkly pink! He looks so funny! IDL! XD
by PK_Brandon September 26, 2006
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Verb Comparison to a stationary car.

A member of the opposite sex, who keeps one in suspense about his/her feelings towards them. Either performed in a casual or sexual manor, which, essentially makes one feel like they actually have a chance.
Example 1: "She is so idle towards him."
Example 2: "Stop idling him if you don't even like him!"
by MJHC March 2, 2010
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Basically an extreme version of LMFAO.

I die laughing. I died laughing and came back to life
She was so drunk, she peed on a homeless man who LIKED IT!!! IDL!!!
by Daflapjack February 15, 2015
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Annoying Girl: I saw the ugliest girl at the mall!! I laughed so hard!

Girl: IDL
by Joe Pizza July 11, 2008
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The process that comes before wheeling. When someone is interested in a person of the apposite sex (or same sex) but feels it is still to early to begin the wheeling process.
friend: Jimmy was all over you!
other friend: yeah but i just feel like it's too soon to begin the wheels, i think i'm gonna try idling.

friend: you should totally wheel tommy!
other friend: no. i'm done with wheeling for now. too complicated. i think i'm going to idle for a while and see where it goes.
by 265345 September 8, 2010
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