When something spifs, it means it looks very nice or fancy.
Spifs is usually a good thing because it means something looks really good.
Examples:
She spifs up her room before the party.
The chef spifs the plate with a fancy design.
He spifs his car with shiny wheels.
The cat spifs up its fur before going out.
The garden spifs up with colorful flowers.
The magician spifs up his hat with glitter.