1 definition by The REDhead<3

Top Definition
1. Intercourse between a normal person and a very very fat man.

2. Both people are very very overweight...trying to have sex.

3. A skinny man attempting to have sex with a very large woman.
ie. Haley is going to have fat sex tonight.

"He tryed to have sex last night."
"Oh I meant FAT SEX."
by The REDhead<3 April 17, 2009
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