Gravity well masturbation is not possible at this time.
The mastrbatorium's singularity generator is still awaiting a part (if you know a place to get decent fairy cake, please let me know).

Actually, what I was referring to was the effect of hydrodynamic forces on the corpus cavernosum, stretching it to the point where it sags like overcooked spaghetti.

Black hole fapping sounds interesting though, I'll make it happen.
(Tiktock Beating off flamers with a shitty stick, Wed 12 Nov 2008, 12:27, 1 reply)

spaghetti
it doesn't stretch anything, but it does flare the foreskin in an amusing manner.
( sandettie light vessel automatic New Twitter - @bollocksreally, Wed 12 Nov 2008, 12:35, closed)

interesting
The sound effect could be life-changing.
(Tiktock Beating off flamers with a shitty stick, Wed 12 Nov 2008, 12:53, closed)