Ladies and Gentleman, the man that will be in history books. He was throwing the burning tear gas. Not to the cops but away from the children protesting. In his American Shirt and bag of chips. Check his twitter.
Two ways of dealing with tear gas grenades from comrades in Turkey: Either submerge them in water. Make sure you can close off the container cause the gas will still spread for a while. Or throw them in the fire so the gas burns off before it can spread.