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Frontwards bottom. Many Fat old people try to hide there pot belly in their pants by pulling the pants up over the belly. Thus making a Frottom. Also know as Front butt
Guy1:Oh my look at that morbidly obese lady, what a frottom.
Guy2: that is so nasty the frottom is making a huge camel toe
by glockman1727AK47 January 20, 2009
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