Usually a female friend of your girlfriend. You HAVE to get on with her for the sake of your relationship but she doesn't make it easy! She'll make sarcy comments, Make fun of you and demand to be everywhere that you and your girlfriend go.

Listen to "Big Fat Friend by Stephen Lynch" for more info :P
Guy 1: Oh hey did you end up getting with Rachel last night?

Guy 2: Nah her Big Fat Friend was there the whole night, Wouldn't fucking leave man

Guy 1: That sucks, just bring her a picnic basket next time!
by Killleera7x December 23, 2008
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Once there was a boy named ___ and his classmates decided to call him big Fat Porcupine. And it kinda stuck.
Person one: “hi __ your name is Big Fat Porcupine now”
Person two: “okay
by Yeep yeep March 19, 2020
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a very large obnoxious obece track of weave.
"DEAMM Hottie from Flavor of love has a big fat weave!"
by hotmesss December 10, 2007
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An insult that is often considered the worst. Meaning that a person is less then worthless etc.
by Judge dredd7 February 10, 2011
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one who is cosmically larger than a real live sister of Safros lesbian, cunt lapper,queer,one who is stuck with the finger,fibraqueen
That big fat dyke was out of this world
by puxatoniphil May 29, 2008
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Someone who's fat or very over weight and mean. Mostly a meme through out a school. Generally cooked by memerscult. #cultgang
"Look at that Chach, Calvin, he's a big fat meanie
by Memerscult CEO November 8, 2017
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