When a man thrusts his pelvis foward towards a woman/man in order for the other person to feel their "junk"

This is not always done intentionally. There is such a thing as an "accidental peen press"
Kevin: "Dude Amy's fuckin hot I think im gonna peen press her, 20 % chance she'll like it, 80 % chance she'll be offended"

Amy: "like... Kevin totally peen pressed me and i didn't feel a thing... awkward"
by BAAD July 23, 2011
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