Stool Plunger Share definition Flag A long skinny penis with an extremely large, bulbous head. Considered ideal for anal sex. All the ladies wanted to smash with Carl as he was rumored to be hung with a stool plunger. Stool Plunger by Eaton Holgoode January 7, 2016 0 0 Get merch Get the Stool Plunger mug. Buy Now — $32.95 See more merch