What is Slurpuff?

The Cotton Candy Pokemon. Usually referred to as an ugly inanimate object Pokémon that has no real use in the Pokémon world

Person 1: Hey man, I just caught a Slurpuff!
Person 2: Slurpuff sucks. If I was a Slurpuff I would cry because I sucked so much

Slurpuff - meme gif