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A person who delights in the torture of small helpless animals. Most commonly a young male trait. Many times the condition is outgrown with the coming of adolescence when the young man's strange behavior becomes the topic of pretty little girls.
Sally "Did you see all the dead animal carcasses in Billy's back yard?"

Susie "Yeah, I always thought he was a bit of a frogmangler."
by Silly Bill October 18, 2009
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