Sucker-plunging Share definition Flag Sexual move: When you're tonguing the butthole and sucking it at the same time. Oh baby, baby, you know sucker-plunging is my favorite sex move!! Sucker-plunging by Slutty Jerry April 14, 2021 0 0 Get merch Get the Sucker-plunging mug. Buy Now — $32.95 See more merch