Jimmies Share definition Flag South Jersey for 'Sprinkles'. Morons. When I order Ice Cream, I don't put anything on it. But if I did, I'd say SPRINKLES. Not JIMMIES. Jimmies are a bunch of people named Jimmy, damnit. Jimmies by Zach G. December 24, 2004 0 0 Get merch Get the Jimmies mug. Buy Now — $32.95 See more merch