Top Definition
In Female-to-Male (FTM) transsexuals, any type of penile prosthesis, especially those made of silicone that are made to extend and retract to simulate an erection in the by the owner's manipulation.
"Holy shit! Look at the bulge in her pants! I'm pretty sure she's packing a Wyoming Fence Post!"
by PNC Oy! December 17, 2012

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