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1.
UTM
1. Underdeveloped teenage moustache usually seen on males between the ages of 13-17
1. Kevin looked like he was trying to pass himself off as an illegal mexican with that UTM on his upper lip.
by NatWombat March 11, 2008
 
2.
UTM
University of Toronto Mississauga Campus.
My friend and I study at UTM.
by Mila C. October 23, 2012