n. 1, the devil. 2, a popular computer game by Blizzard Entertainment. 3, a badass car made by the folks at Lamborghini.
Juan: "No me gusta el diablo."
John: "Who's up for a game of Diablo?"
Jack: "Dude, you just scratched my Diablo!"
The correct response to someone asking you to do something that you don't want to.
Person 1: Hey, do this.
Person 2: No. Suggit!
Person 1: Dude, I totally understand.