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3.
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
 
1.
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
 
2.
An abbreviation of Absolutely Fabulous, from the television series.
Gonna watch abfab tonight?
by tweetystrikesback February 15, 2005
 
4.
short term for Absolutely Fabulous
Oh girl, your outfit is totally looking ab fab today.
by theonewhosstrange July 22, 2009
 
5.
mainly asscociated with gay men, abfab is a shortened version of: absolutely fabulous!
That couch is abfab!
by Christina February 13, 2005
 
6.
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
 
7.
short for absolutely fabulous

also a funny show about a dunk/stoner mom
that pie is ab-fab i could eat all of it
by sepoo lover March 19, 2006