Top Definition
function: Adjective
One who changes sides after experiencing the delights of an enemy's sexuality (commonly their manhood). The penis traitor will commonly abandon all existing friends in favor of their new pleasure source.
Megan was my best friend until she started sleeping with Timmy. Now that penis traitor won't return my calls.
by RatherAbandoned April 16, 2008
6 Words related to penis traitor

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