Top Definition
-Noun
-Pronunciation (Fah-teh gil)
-Humorous Slang

A 5-10 year old girl who eats constantly, due to her overweight father convincing her that the average 24 hour day consists of 8 meals.
Jer- Why does your sister eat so much? She was asleep at 11 and in her dream asked me to make her a ham dinner with a baked potato.

Sam- Oh well she's a little Fattegil, she'll end up with diabesity, just like my dad!
by jekatzphoto January 18, 2008
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