A female with dumps like a truck, truck, truck and thighs like what, what, what. Defined more clearly by a cute (but not awesome) face, large (sometimes massive) breasts, and a round (usually enormous) midsection, weighing between a buck-fitty and a deuce and a half.
Ty: Good lord look at that whale!
Chris: That's a huge bitch!
Zach: She just picked her nose and ate it!
Jamie: Guys, that tight-fatty is my girlfriend.
by Andrew Holcomb Davidson January 13, 2009
5 Words related to tight-fatty

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