When your pants bunch up in the crotch, giving the illusion that you have an erection when you really don't. Can lead to very awkward moments.
Girl: "What the- do you have a boner?"
Boy: "What? No, my boxers just bunched up a bit. Got a little ghost wood there."
Girl: "Ya lying bastard!"
Boy: "What? No, my boxers just bunched up a bit. Got a little ghost wood there."
Girl: "Ya lying bastard!"
by Squeakee July 19, 2009
Get the ghost wood mug.