Slush Puppie noun1 •(UK) A slushie, a slush, a nonalcoholic drink made of small ice crystals flavored with syrup.‘Slush Puppie?’ asks Fin. ‘Syrup mixed with piles of crushed ice,’ replies Daniel. ‘Don’t you know it? It looked radioactive and chemically but tasted cool and delicious.’ — 2023 formsSlush Puppies