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1.
a term used to describe the results of a gun shot to the head which leaves the head unrecognizable, similar to a smashed banana, hence the term nanner head, usually a popular term in the hunting community.
that doe i busted this morning go a total nanner head.
by evets s. May 01, 2011
 
2.
A lady who loves cats and calls them bastards.
Nana(aka.Nannerhead) told Tommy, her cat, to go shit in a hat.Tommy you bastad!
by Aaron Barboski June 28, 2006