An fetish for larger sexual partners.
"Why on earth is Steve talking to that huge girl in the corner?"

"You've seen who he's been with in the past. Dude's got a fatish."
by Seadogsf December 10, 2007
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it's the sound your MOM makes against my COCK
Guy 1: Hey, what were you doing last night?
Guy 2: Oh, nothing... Except for FATISHING UR MUM; FATISH FATISH against my COCK
Guy 1: Oh no now I have autism.
by Xertyo90 November 2, 2017
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A constant, insatiable craving for certain foods bordering on lust, usually intensified during a visit from Aunt Flo.
Sara's pizza fatish is flaring up
by Lucy Caboosey November 30, 2009
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A kid who is fat but not fat but he has a little bit of fat that is fatish
Hey dude you look fatish after you eat
by Thatrasistkid October 18, 2017
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