1 definition by Dernson

Being attracted to a girl, but not wanting a committed relationship. All you want to do is have sex with her. Another term for "hit it and quit it."
Guy A: "Dude, why don't you two date?"

Guy B: "I'd rather not. I mean, I'd go long-penis, but not long-term.
by Dernson September 9, 2011
Get the Go Long-Penis mug.