A man that attracts finches in his anal cavity by hanging from a tree upside down with peanut butter and bird seed spread in his anus pretending to be a bird feeder.
A Finch Fucker can be seen hanging upside down like a circus clown with a mound of peanut and bird seed on his taint and ass waiting for an innocent finch to fly and make a nest.
by Finchfuckerstopper October 20, 2009
1 more definition
to describe someone or something in an unlawful way; being an asshole or just a fucker
Josh is a finch fucker.
by grand fuckin facilitator March 01, 2004