2
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.
He doesn't wipe his backside, he will get bumnuts.
by Kai_76 February 18, 2008
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3
small poos that really hurt and you have to force them. never pleasant. they also make inordinately large splashes.
two guys in toilets:
'oi blud that sounds like your dropping a monster'
'nah mate, its just bum nuts'
by Jack December 07, 2004
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5
To put simply an egg
"Hey my hen laid a bumnut!"

or

"Hey lets go and have a bumnut for lunch"
by Camac July 02, 2006
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6
1) shit stuck to your arse hairs.
also called. cling-ons, tag knots, clinkers, dangle berries, arse spiders, winnits etc.

2) an insult commonly used towards those who cant do their job properly.
1) colin: bugger me my arse is itchin'
dave: ur bum nuts playin up again?
colin: yeah, i'll pick 'em out wi' chippin hammer!

2) oi bum nuts u fucked it up again u usless twat!
by buzz December 22, 2003
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