Top Definition
Phrase used when insane just isn't enough. Something super, mega, or intensely cool/crazy.
Neil: I was having this awesome mom/daughter double team when the old man walked in the bedroom...and started filming.
Bob: Dude, That's Fuckin' Insane!

Michael Fitzpatrick:Yo man, I got a B.J. while I was skydiving.
Patrick Fitzmichael: No shit, That's Fuckin' Insane!
by The Big Bad One May 28, 2009
7 Words related to That's Fuckin' Insane

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