A reddish-orange sauce made from the unknown. Typically found in carry-outs in D.C. Goes well on chicken wings, french fries and when a lil' bit drips on your fried rice
"Let me get six wings with mumbo sauce"
Chinese Lady: " You wan sal, peppa, ketcha, mumbo sauce on ya french fry"
Bloody explorers, ponce off to Mumbo Jumbo land, come home with a tropical disease, a suntan and a bag of brown lumpy things, and Bob's your uncle, everyone's got a picture of them in lavatory.
A true DC delicacy sauce added to deep-fried fatty food such as chicken wings and fries from Chinese slash subs slash seafood slash pizza joints at 2am after a night of hard drinking. Nowhere else in the world have I found this unique, addictive addition to 5 wings & fries.
(Through the bullet-proof glass window at 2am) "Gimme 5 wings, fries, extra extra mumbo sauce; kethup salt and pepper on the fries!