When you're so bored, that you type everything in order on a Japanese qwerty keyboard. Basically, its qwertyuiopasdfghjklzxcvbnm but on a Japanese qwerty keyboard.
In Tetris 99 アリストン will try and streamsnipe you. If he gets in a game with you expect to be 4-Wided to your death. To rub it in your face he will go on to win the match in spite of you.