Mambo Sauce (n.) - A neon red, sweet & tangy-tasting sauce common to DMV (mostly DC though) carryouts. Especially delicious paired with an order of 4-piece chicken wings & fries. Also, a go-go band.
ex. "Yo. I could really go for a 4-piece chicken wings & fries with mambo sauce. Yummers."
Funny story: When I was in NYC, I asked this guy on his break from a restaurant 1. Where I could find the nearest Metro station and 2. Where da mambo sauce at?! He told me the nearest Metro was in NJ and had never heard of mambo sauce. We talked for, like, ten minutes tryna figure each other out. Finally he said, "You're not from 'round here are ya?" No sir.

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