Originally Posted by
killingspree888
If you want to get banned (not perma unless he has received a couple of 1 month bans) is to just run it down and then shout the n-word. This is because league has an anti-cheat that checks if you say certain phrases. I found that Riot checks pre-game (lobby) chat and in-game chat. Your only problem is trying to get him perma banned.
Perma solution: Just download a hack, like a popular league of legends bot, then start cheating in ranked. It will flag his account really fast and result in a perma in a few hours/days.