feetclapper 

the feetclapper, is when you literally punch someone so hard in the face that their feet clap together

"dude, i totally just clocked katie in the face and her feet smacked together like fred flintstone!" "FEETCLAPPER!!"

feetclapper by katherine..murda.er April 20, 2010

Fartclapper 

The Anus.

Often used when telling someone to cram it.

Shove that up your fartclapper!

Fartclapper by CF Enterprises August 31, 2010