flash kick

a backflip/back tuck with a kick at the height of the flip.
a prerequist to the flash gainer which is more advanced and done usually off one foot while moving foreward

I went out on the soccer fields and pulled off a few flash kicks.

flash kick by Anerky January 3, 2006

kick flush

the act of kicking the flusher of a toilet to avoid hand contact

Dude, I pulled a kick flush so I wouldn't have to touch that sick toilet!

kick flush by polishladdy January 10, 2010

flashkick 

To kick someone in the chin before they even know you're about to kick them at all.

He started chattin smack so I flashkicked the mofo.

flashkick by Joodas August 10, 2004