Top definition
Flaccid flapping is when a male can't get an erection during sex and proceeds to rub his flaccid member on a girls vaginna. This is called flaccid flapping.
Jenni asks her best friend...
"So did you and Tanner hook up last night?"
"Hahahaha all I got was a lot of flaccid flapping!!"
"So did you and Tanner hook up last night?"
"Hahahaha all I got was a lot of flaccid flapping!!"
by Midnight Kitty November 16, 2013