When you slide the top of your keyboard numbers from right to left after left to right because you are bored as a sloth in the Amazon. Best get back to work before you really procrastinate.
Computer teacher: "Alright class five minutes left."
Friend on the side: "What did you type =-0987654321`"
You: "Killing time"
Sliding your finger across the top row of symbols from left to right, moving down a row, then right to left, and continuing that pattern until you reach the bottom.
1) when you bust a nut so hard that the nut becomes self aware and puts in the keys your keyboard backwards thru a search engine.
2) when you're really fucking bored and you search up your keyboard letters backwards.