a hot and sexy beast. a mad lion does not fail at anyhting.
guy #1:Dude that guy just went mad lion up in this bitch

guy #2: holy shit lets get out of hear before he embarrasses us
by runner2578 May 14, 2011
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Dancehall musician and rapper, who collaborates with the great KRS-One. Mad Lion is an acronym for "Musical Assassin Delivering Lyrics Over Nations". He has some serious, such as those with KRS-One, and some about typical problems, such as smoking herb and being accused of being a baby's father.
"Have you downloaded Real Ting by Mad Lion?"
"Yeah, it's awesome!"
by Joey the Lion February 9, 2007
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