Tank151
Either definition fits the two Bozos.
Under a controlled situation it goes from Skimming to what is known as Water Cross and it is an organized "SPORT".
Take a look at this link and you maybe surprised what a Snowmobile can do under a skilled rider and a controlled environment.
www.ewaracing.com
Water Cross Vidio
http://www.youtube.com/watch?v=mJGXm35z9AM