To tell someone to go away when an unwanted proposition is made.
Person 1:"Bruh, lemme get some gum"
Person 2:"You ain't even say what's up, you just asking me for some gum? SWERVE!"
When a player of minecraft flies into the air with a fishing rod and throws the bobber onto an unsuspecting mob and then retracts the mob. The mob is seen flying up into the air above the player, and then, in most cases, hitting the ground and dying.
Tom:"So i was Village Surfing in Creative mode and flew up into the air with a fishing rod. I threw it down and it landed onto a creeper. Believe it or not, when i reeled in the bobber, the creeper came up with it and then hit the ground and died!"
Joe:"I have absolutely no idea what you're talking about or who you are.."