Top Definition
When something is so funny it's both a laugh out loud and a personal laugh attack. The definition of epic koolness. Use this word when feeling uber geeky, nerdy, or just plain kewlz.
Dave: Why was 6 afraid of seven, dude?

Brian: uhhhhhhh....

Dave: CUZ 7 8 9!!!!!

Both: L0LZ0RZATTACKZ!!!!!
by KBGrizzle February 12, 2010

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