need some help

Ok so as my previous post got removed i will try this again. I will keep this short. When i was playing a normal the enemy jungler started to trash talk and flame after they started winning because our mid lane just goes afk out of the blue. Not only did he say the most disgusting things, his username name which i wont post this time is a violation of the terms of service and conduct. Now i reported him after game never received the report verified pop up window back, so my question is, "How can i get this guy banned and not let him get away with not only the insane verbal abuse but also his username