When someone's head is made of poo, escpecially poo that has come from someones bum.
Damn, man. Your mum is a fuckin' poobumhead.
by El Stinko February 26, 2005
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term used by young children to describe a very ugly person who is very stupid.
Go away you stupid poobumhead!
by wotever January 26, 2004
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