Slang used by British soldiers during World War 2. A fat-girl is ahooker, whore, tart or prostitute. She may be an enthusiastic amateur, but she takes money for making the beast with two backs.
I was out on the razzle last night and had a knee-trembler in the park shelter with a local fat-girl.
by AKACroatalin May 26, 2019
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Guy 1: Ew, Who is that fat girl?

Guy 2: I don't know man, i wish she would leave.
by oooooori March 3, 2009
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Fat girling: when one takes a bag of chips, or any other food item (plate, container, etc) and pours it into their mouth.
"Are you gonna finish those chips?"
"No, you wanna fat girl 'em?"

That is fat girling.
by Jung Woo June 10, 2008
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Consuming food by cutting into and continuously eating small pieces until one or more whole units are consumed. Followed by saying- “I only had a little piece
Did you see Jessica fat girl that whole plate of cookies?

Damn there goes Jeff again- he just cut off a piece of that donut. Who is he kidding, we all know he’s gonna fat girl it.
by Schnozzmahal January 29, 2018
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Ranch Dressing
the ubiquitous condiment in food service, usually accompanied with a diet soda.

Props to the bitterwaitress community
Need another basket of fries, with a side of fat girl ketchup
by DonRon August 8, 2010
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A girl who is of above average weight or below average looks has to develop a great personality to get guys. She is usually really cool to hang out with and/or really funny.
I know she's not attractive, but she has fat girl personality and is really cool to hang out with.
by RickAl December 28, 2007
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