The sexiest specimen alive. Played Neville Longbottom in the Harry Potter movies, and went from a really fat, shy little boy to a freaking hot, sexy, amazing guy. Sometimes used to refer to someone that has successfully traveled through puberty. Or someone that's just really hot.
Girl One: Whoa, remember him in kindergarten?
Girl Two: Total Matt Lewis.
by ILoveYouMattLewis June 3, 2013
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