ZZ : What was said to cause the headbutt

Zinedine Zidane is welcomed home in Paris with the French team as a lip reader interprets what was said before his head butt in the World Cup final.
http://news.bbc.co.uk/sol/ukfs_sport...&alreadySeen=1
See the famous headbutt again.
And what was said.
but also what was supposebly happened was this :
Matterazi pinched zidanes nipple and because zidane can speak italian after playing in italy for a long time at juve, Zidane said what you doing

then Matterazi said calm down then they exchanged words, after all that matterazi called Zidanes mum a terrorist because she is algerian.

Matterazi did not deny that he said it.

HORRIBLE!
Marco Matterazzi i cant believe you once disgraced the everton crest<3