n. (pronouciation: spifee mihnts) Mints that are considered spiffy, usually Myntz! brand.

Any mints that are placed in a Myntz! brand box OR are in possession of Koko Notakii, creator of Spiffy Mints, are immediately considered Spiffy Mints.

It can also be used as an exclamation.

when you've done something so cringe you can't stop replaying it in your head and it stops you from getting on with your every day life