When the male species interacts foolishly during an intense all-star game of softball, ususally in the minor leagues.
Originated at www.chuckynorris.com for their notorious (and self righteous) acts of holy matrimony.
"Shut the fuck up, Chuck Norris is pulling a silly clown."
When you put a baloon,(water,or normal. it doesnt matter) in a girls rectum and fill it partaly with glitter and inflate it with helium til' it ruptures inside of her. Then you punch her in the stomach, causing her to fart out glitter in a squeaky manner.
With enough roofies, Sarah would let you give her a "Silly Clown".