mammoboarded Share definition Flag A form of torture more severe than waterboarding, wherein boobs are placed in vice grips to ensure they're cancer free. Waterboarding is for pussies; I've just been mammoboarded. mammoboarded by Trick_or_tweet March 29, 2010 0 0 Get merch Get the mammoboarded mug. Buy Now — $32.95 See more merch