When you grab your opponent in Super Smash Bros. after throwing a Pokéball right next to them, and holding them in grabbing position, doing serious damage, as well as throwing your opponent after into a non-avoidable Pokémon after you run out of grabbing time, thus creating more damage.
NOTE: Is applicable to Super Smash Bros. on the N64, Melee on the GameCube, and Brawl on the Wii.