wiiwhacker 

Someone that inadvertantly hits another person while playing wii.

Chris is such a wiiwhacker, he is always hitting me in the arm when he plays wii tennis!

wiiwhacker by Columbia DE peeps July 10, 2009

WIZwhacker 

someone who whacks their wizer/wizang i.e beats their meat (masturbates) in a furious manner.

Put that dirty magazine down Khalifa, you raging wizwhacker!

Stop wizwacking, grandad, nany will be home soon!

khalifa wizwhacked himself into an aneurism!

WIZwhacker by MASTER WISDOM April 4, 2008