To viciously head-butt a person. Taken from the nickname of footballer Zinadine Zidane.
Oh! Did you see him Zizou that guy? His head must be made of steel!
by Doom209999 July 12, 2006
1 more definition
Head hutting someone in the chest
During the fight he got Zizou'd the hell out
by Doolio August 14, 2006