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A vagina that is the size of a McDonnalds double cheese burger. It carries so much filth around it is like the burger with all the extra garnish and sauces like mayo, gherkins and onions.
The girl I slept with last night had such a McFanny on her!
by Britannia Gingero and co. October 23, 2010
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Aug 3 Word of the Day
Condition which causes you to place an Amazon order, then shortly after remember something else you needed and place another order.
Wow, 10 Amazon boxes showed up on my door today. My Amazheimer's must be acting up again.

Person 1: Bro, your Amazheimer's is getting out of control.
Person 2: It's OK, I have Prime.
by SamboMayhem August 01, 2020
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