A piece of harded exrement, that clings to the hair around ones anus. Some bumnuts cling to the hair so well that removing them can rip the hair out from the root which can be painful.
by Kai_76 February 18, 2008
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Get the bumnut mug.Who are you calling baldie, you bumnut.
by Darrell Smith June 17, 2005
Get the bumnut mug.by Krome J February 28, 2004
Get the bumnut mug.A hard ball shaped turd that fires out of the anus at a considerable speed when pushed out of bum crack making a similar sound of a pebble being thrown into a lake.
Oh no!! I just dropped a seriously big bumnut and have just experienced a splash back on the arse hole!!
by Isla HG June 2, 2019
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