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Abbreviation of the BBC comedy show Absolutely Fabulous, one of the best British comedy shows of the '90's (and still is).
The new series of Ab Fab was great, just like the previous four.
by Jon K September 02, 2004
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Short for "absolutely fabulous". Means great, awesome, super cool, excellent. Does not relate to the abdominal muscles.
"You should see the dress I got for homecoming! It is abfab."

"I can't believe I mistook Ava's voice for Alex's over the phone yesterday! That was so NOT abfab."
by rosalayyy February 11, 2008
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mainly asscociated with gay men, abfab is a shortened version of: absolutely fabulous!
That couch is abfab!
by Christina February 13, 2005
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Arse Both Front And Back.
A lady with such a 'lovely personality' that, when viewed from the waist down, it is impossible to tell which way she is facing unless you can see her feet.
Look at the state of that!
Yeah definitely an abfab.
by morphinemitt May 26, 2008
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