When a person thinks like a "guy," but is not a guy. The "spread your seed" mentality and way of life that is usually unconventional, or even unacceptable. Usually an adopted lifestyle by a young woman.
"Like, omg, Paris Hilton has total penis mentality, she's dated everyone, not that she cares to remember them. Just another notch on her..."
by gtrav January 23, 2009
First person- She can easily have a relationship involving sex but not get attached or any sort of feelings involved.
Second person- I know she has such a penis mentality.
Second person- I know she has such a penis mentality.
by Prodegius September 29, 2009