look up any word, like fleek:
 
1.
A strange cross between a fail and a win.
Billy riding on a segway was such an epic flin.
by the great cannon October 24, 2009
 
2.
the one freakishly small fry in your bag of fries.
look at the flin in the bottom of my ox of fries.
by shanshan March 31, 2007
 
3.
Flaps of Skin.
Dude, my flin is amazing. Give it a taste.

I've never partaken of such folds. This is Flin was worth the wait!
by InflamedandDefamed April 26, 2014