Plum Bumming Share definition Flag Plum Bumming is the act of lowering your testiculars into another persons rectory. I couldn't get hard enough for a good bum so we resorted to some plum bumming instead. Plum Bumming by Clitopotumous June 11, 2010 0 0 Get merch Get the Plum Bumming mug. Buy Now — $32.95 See more merch
