To knock an airborne character downward at an angle such that the character has no chance of making it back to the stage. Used in the Nintendo Classic
Super Smash Bros., and its sequel SSB Melee, to define all such moves. Also known as a
Meteor Smash; however, certain moves that spike aren't classified as Meteors, such as Fox's Shine Spike, in which he uses his
reflector to knock an opponent downward. Very 1337.