Junket pump Share definition Flag Junket pump; an erect penis that is ready to unload the good stuff. hey baby, you ready for a good hosing cause my junket pump is loaded and about to unleash. Where do ya want it? Junket pump by shane-0 August 16, 2008 0 0 Get merch Get the Junket pump mug. Buy Now — $32.95 See more merch