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a fat person on the internet, although not always having to be fat: fat characteristics are allowed including (but not limited to):
food, rainbows, kittens, taking pictures with/of their pets, taking photos of themselves at unflattering angles, thinking they're hot shit, writing dumb lovely poetry about oceans and fat

basically being an intertard but too fat to realize it
"look at thet interfat"

fattith: "lets do fat girl things"
norm: stfu you interfat
by Ruse June 16, 2008
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