free flopping 

When a girl, specifically with large breasts, goes around in public or semi public without a bra on.

Whitney: "Alley, you are totally free flopping. I can see your nips and everything"

Alley: "Oh shit! I totally forgot! I'll go put a hoodie on to cover them up"

free flopping by cjones94 September 21, 2011

Free Flapping

when a girl doesn't wear underwear

She's free flapping, while Todd there is free balling.

Free Flapping by Gerger April 4, 2006

free flapping

When a woman goes out without underwear. The female equivalent of free balling.

Trish ain't got no panties on. She free flapping!

free flapping by camocap May 21, 2009

Free-flapping 

To not wear any underwear. The female equivalent of freeballing.

"I am not wearing any underwear today, I'm freeballing".
"Oh, so you are free-flapping?"
"Being a female, I suppose I am!"

Free-flapping by Wonthaggi March 2, 2014

Freeflapping 

The female equivalent of freeballing. Wearing no underwear.

James: Did you get your underwear off of my floor before you left?

Amy: No, I couldn't find them, so I'm freeflapping.

Freeflapping by bitcheslovebenbruce January 9, 2012