A big sore that dangles out of ones arse hole when straining to hard whilst taking a huge shit
Ouch, mum I pushed out a bum plum and its ripe for the picking
by bennygonebad October 23, 2013
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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.
by Clitopotumous June 9, 2010
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Someone with a juicy rump, and a squishy ass.
Doesn’t Donald Trump have a plum bum
by Jmurr227 November 3, 2020
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