Zidane's FINISH HIM headbutt was destined to become Internet memery from the moment the fateful blow landed. I will now waste hours of your day by cataloguing those that tickle my fancy; sorry.
And, finally, A Break From All The Zidane YTMNDs. Features you-know-what.
(HT to In Dodd We Trust (Not that Dodd) for the SA link.)
....aaaand of course, the Zidane flash game. That's all.