M.A.T. (pronounced mah-t or em-ay-tee) - Morning After Twat...the aroma and general genital funkiness emanating from the unwashed female genitalia the morning after a sound pounding...usually accompanied by a pounding headache, cottony mouth and general disorientation on the part of both involved parties
Yo that barrel I woke up next to had some serious M.A.T. going on...the smell nearly choked me when I lifted up the covers.
by Walnuts January 13, 2006
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1. A hideout near the canteen that has now been ruined by muzzas, lebos, sevys, teachers and school dickheads.
1. Mats? Yesssssssssssssssssssssssssss!
by PositiveMr June 14, 2009
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Mat is a flaming homo who loves the cock and he is a loner who leeches of
Larry: o shit mats coming lets leave
he might try to stick it in our butts.
by Larry April 13, 2005
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a faggot who thinks that he is everything!

a butt rapper

a butt pirate

a gie that watches gay porn
mat:haaaaay!!!(really gay voice)

me:dude!! get away from me mat!
by hotstuff92 April 11, 2009
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meaning manboobs or really large breasts on a man
look at those boys mats or matts or matthys
by yourself3082 November 20, 2007
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A gooey greenish-white mucus substance that mysteriously appears in the eye upon awakening.
Sally hoped the suprise emission from her boyfriend would work it's way out through the mat process.
by Kristen April 25, 2005
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