A disembodied erection. A boner that does not exist in physical form. The experience of having an erection, but without the physical act of becoming erect. Similar to phantom pains experienced with limb amputation, but with penises.
Occurring in para/quadriplegics with non-functioning penises, those who have had their penis severed and removed and male ghosts.
Though, medically speaking, Eric had no feeling below his waste, he could still get a ghoster every time a pretty girl walked by.