up your butt with a coconut Share definition Flag A derogatory comment that is akin to telling someone to shove a coconut up their bunghole. Petee - "Up your butt with a coconut" Johnson - "Igbyab (I'm gonna beat yo' ass beotch)!" up your butt with a coconut by Dr. Todd Fuquad PhD April 9, 2007 0 0 Get merch Get the up your butt with a coconut mug. Buy Now — $32.95 See more merch