When you are so bored that you type letters in a zig-zag line.
Person: I've already tried qsxdrgbhuk, so I'll just do the same thing but upside-down. So that would be zsefbhuk.
Person 2: What are you doing with your life man?
When you type all the letters on the keyboard in order, and then type all the letters on the keyboard backwards.
Person 1: Man, all of the keyboard combinations are taken already. Wait, I forgot about the numbers! I can type the numbers in, and then type in any keyboard combination I want! So that would be 1234567890mnbvcxzlkjhgfdsapoiuytrewq!
Person 2: Get a hobby man.
A phrase that a human being types when they are going through deadly levels of boredom.
Person 1: yo dude I just typed in qazxswedcfrtgvbhyujnmkiolp today
Person 2: dude fucking go outside
An card in the card game Uno. The card forces the player next in turn to take for cards from the card pile.
Person 1: Plus 4!
Person 2: DAMMIT! THIS IS THE FIFTY SEVENTH TIME I'VE HAD TO ADD 4! I'M GOING TO LOSE MY MIND!