Gakiri
A Gakiri is a player who thinks they're the best but acts like a baby. They do stupid stuff and yell 'int' in chat like they're saving the game.
Picking Evelynn first and then getting ganked by a level 2 Yasuo.
Playing Lux mid against a 2000 rating player and then crying in chat.
Dying in a gank and sending a message saying 'you’re a 2hp laner and you didn’t even recall'.