4 pump chump Share definition Flag When a man orgasms and semen vigorously flies out like a fire hose in four times. Bill is only a 4 pump chump when looking at his mothers bare chest. 4 pump chump by odhalksdjfn;asdfvg August 2, 2017 0 0 Get merch Get the 4 pump chump mug. Buy Now — $32.95 See more merch