Little England flags that are attached to car windows when the England football team is making a brief guest appearance in the first couple of rounds of a major football tournament.
The act of flapping porn cards on the Las Vegas Strip. The flapping sound is the cards hitting the below minimum wage workers hand a split second before he/she extends the hand for you to take or not take said card.
So you think those Porn Flappers are a part of a union?
When a girlsvagina is really straggly and flaps around all flag-like.
"Uuuh, I feel uncomfortable changing in front of other people.."
"Don't worry, we won't make fun of you!"
"Hmmm, okay!"
*pulls pants and underwear off*
"Daaaamn gurl! That's one STRAGGLY vagina!"
"Yeah, they're REAL flappers!"