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1 definition by <3 Roni

 
1.
MTS
Muffin
Topper
Syndrome

When a girl's pants are too tight and her fat rolls over the top-like a muffin
Roni: OMG look at her MTS it's like making me sick
Courtney: Ish, she should get larger pants
by <3 Roni May 16, 2008