froplegrop Share definition Flag the act of fumbleing with your genitailia and making orgasmic noises in a public space such as staples, costco, or the bay. haha dude zane totally froplegropped at subway yesterday, too funny froplegrop by tucker anthony May 13, 2009 0 0 Get merch Get the froplegrop mug. Buy Now — $32.95 See more merch