25 pump and dump Share definition Flag When having sex with a girl missionary style, you pump 25 times, dump your vomit, then run. Yesterday i was 25 pump and dumping on this girl and now i think she hates me. 25 pump and dump by Logofresh May 27, 2016 0 0 Get merch Get the 25 pump and dump mug. Buy Now — $32.95 See more merch