Top definition
A place where straight male prisoners who have committed particularly heinous crimes are sent -- typical penile colonies are on distant islands and are primarily inhabited by F47707s who have also committed particularly heinous crimes.

The straight male prisoner of such a colony is subsequently subjected to repeated unwelcome cornholing by the gay inmates.
Hey, didjya hear that Bernie in New Seattle hosed down all of those schoolchildren and got sentenced to life in a penile colony?
by Telephony June 26, 2013
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