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Noun: A person who intensionally sells out someone or betrays an associated group or friend. One who undermines the trust of others by going behind their backs.

Verb: to turn feather
1) Tommy is a turn feather and is not to be trusted!
2) I heard he went turn feather and split town.

1) The bastard turn feathered me so I beat him with a pipe!
by -D- February 28, 2008