nah she was part of Andy Warhol's Factory....bisexuality wouldn't have fazed her...and it couldn't be heroin either, cause they were both into it. ditto with the crank.
that leaves only...the foreskin. or lack thereof.
this past weekend I watched the DVD adaptation of Andy McNab's Bravo Two Zero...and they included the scene where he proves to the Iraqis he's not an Israeli by dropping his pants....