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1.
When a large man, with at least one belly roll is recieving a blowjob, he takes said roll and places it on top of a girl's head.
Did you hear about larry? he Michelin Manned that chick last night
by Danny Micronesia May 01, 2005
 
2.
a fatty (male or female) with more than one tire around their waist.
Frank must have been really wasted to take that Michelin Man home.

The Michelin Man broke my bed springs.
by John Gonzalez June 01, 2006
 
3.
When a male who is so hesitant to have sex, he puts on condom after condom resulting in the rubberband parts piling up making his wang look like the Michelin Man.
Girl: Hahaha! Hey, is that the Michelin Man?
by slapshotpeewee9 April 27, 2007