1) An expression proclaiming an extreme amount of apathy; especially regarding critics.

2) A negative amount of currency, usually an amount lost or owed.
Ex 1:
Woman: I would never date you because your car is not my type.

Man: I don't give A Fat Lesbian's Ass who you'd date, just roll over.

Ex 2: Hal: "How much do you still owe your landlord?"
Preston: "A Fat Lesbian's Ass!"
by fartCupper April 7, 2005
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