Top Definition
A Demon which manifests itself into a man's penis (weiner). The Demon takes over the man's sexual decisions and can force a man to sleep with fat STD infested women and or men. The Weiner Demon is a bad thing to be possessed by if you fear your penis falling off and needing to be burned upon a pyre made of blessed logs.
The Weiner Demon possessed Steven and made Steven fuck a goat. Though, Steven may have fucked a goat anyways despite being possessed by a weiner demon.
by MicroSnoz May 15, 2009
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