Green’s Dictionary of Slang

spumoni adj.

[SAmE spumoni, a variety of ice-cream; ult. synon. Ital. spumone]

(US campus) excellent, first-rate.

1997–2000

College Sl. Research Project (Cal. State Poly. Uni., Pomona) 🌐 Spumoni (adj.) Extremely neat; very good; da bomb.