by Ohgeegee September 05, 2018
by Benstan November 27, 2006
by adflksjdf November 20, 2009
by jayhoong May 30, 2008
Short for Fat Leg Syndrome. Occurs when you wear boots that are too big and they give you the appearance of fat legs.
Liz wore size eleven boots that she got on sale, even though she's a size five. needless to say, it gave her FLS.
by lizisapiz March 11, 2010
Person 1: Man, I have to manage my life IRL and IFL (In fake like for retards).
Person 2: Why do you even have a FL?
Person 2: Why do you even have a FL?
by vjvvhsiaerinvkdksjdt April 27, 2009