What were they trying to do?

https://www.youtube.com/v/xqtBA2dkW1k&rel=1

:pinch:oooops!

heh bloke at the back was trying to do a burnout while standing in front of the bike, an either let go of the front brake, or the wheel gripped, and whoopsey!!!

Is that the stunting version of leap frog.

Ouch!!!