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1.
Mahaha; Mad HaHa

1. An evil laugh, often belted after a successful burn

2: An evil laugh when ploting evil things.

3: An evil laugh, with other personal interest in mind
"Mahaha, Mahaha, Mahaha" Dr. Evil with his pinky raised.

Fred: "You Suck"
Al : "Your Mom, Mahaha"
by Gedsdead February 19, 2005