Top Definition
Another name for Gluteus Maximus the largest muscle in the butt. Deep Flab refers to this area of the buttocks when it's soft and flabby.
That girl has some serious deep flab bouncing up and down in those lycra pants
by Dovuto May 27, 2007
5 Words related to Deep Flab

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.