River Jumping 

The art of jumping over rivers, so you dont have to get wet

Broude is the master of river jumping, he is never wet!

River Jumping by RiverJumper19 January 7, 2010

River jumping 

to jump in to a river to cool oneself down on a hot day.

we off river jumping today?

River jumping by Ben ,Rhys.Josh,Martin June 11, 2008