A Prison Pen is a form of improvised writing instrument, which is achieved when one defecates just enough to extend past the buttocks and holds it there. The extended fecal matter is then used as a writing device in a manner similar to that of a mechanical pencil.
Person 1: Our boat is destroyed! How are we going to send an SOS?

Person 2: well there's a large rock face over there, we could use our Prison Pens

Person 1: I hate you so f**king much. If we starve I'm eating you first.
by C1PH3R8472 February 24, 2020
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