The popular movement keys for most pc games, though usually first person shooters. Some even consider it their home keys
Teacher: "Class, can anyone tell where we place our fingers when we're not typing?"
Me: "Uhhh... wasd?"
Sweat pastry that has the power to bring people together
John: "Hey, today's Bill's birthday."
Bob: "Eh I hate that guy."
John: "There's cake in the break room."
Bob: "I should probably stop by and say hello.