There should be a troll queue mode
Think about starting a pvp match
Blind Pick Draft Pick Ranked Solo/Duo Ranked Flex No Man's Land
In no man's land, no one can get banned for anything, so all the trolls can just run wild and screw around Also, disable all matchmaking aside from being in that queue itself, just to spice up the diversity
No one would get mad at this, because everyone who queue'd up for it would know exactly what they got themselves into