Top Definition
Something Madly Fantastic, cool, super sweet, slimy, sick, nasty, if its the balls you know its Madtastic!
1."Dude our squad did Madtastic last night in Gears!"
2. "Whao dude Madtastic hat you got there!"
by Tyler Leavy January 07, 2008
5 Words related to Madtastic

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