The small window or opening on a prison cell door through which prisoners can look out of the cell and interact with people. prisoner, prison, prison cell, supermax, state prison, federal prison, the big house, prison guard, correctional facility, detention center, jail
It gets old looking through a prison porthole all day. I can't wait until I get out in 6 months.
by joecoolthefool April 17, 2016
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