when one moves the hips back and forth causing the nutsack to clap against the belly and or the gooch.
dude when kevin did the clapper and his mom saw him i almost shit my pants.
A device used to activate other electronic devices, such as lights by the use of a clap sound. Must be over the age of 60 or simply be unable to be embarrassed (a good test is if you can listen to All Night Long in front of people you don't know). Advertised in the 1980s, but rarely sold.
The Clapper: Bill, fart again. We have to turn off the damn clapper.
After you have sex, the dick is soft. When the dick is soft tell her to get on her knees, then immediatly slap your dick across each side of her face. (then you hear a clapping sound)
After Byans dick was soft, Cindy got on her knees and Bryan slapped his dick on her face and made a clapping noise. Hints the name The Clapper