Top definition
An acronym that stands for "I hate all your stupid 'Hey-look-at-me-i'm-cool' acronyms and I'm too lazy to look up the meaning."
Person 1: FYI, the Swedish Penis Enlarger I ordered is MIA.

Person 2: Dude!

Person 1: Was that TMI? BTW, I never responded to your email because it was TLDR.

Person 2: IHAYSHLAMICAAITLTLUTM
by KrakenWise August 28, 2012
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