@cstross Oooh, oooh, and I totally forgot the auto-erotic asphyxiation angle as well.
"We found him alone in his hotel room, detective. Wearing a full spacesuit. Now, do you think he was planning to colonize Mars, or was he just having such a good time that he didn't notice when his oxygen ran out?"
@angusm I'm seeing the movie poster now: "in space, no-one can hear you cum".
From the novelization: "distracted by the docking maneuver in progress, Major Tom wriggled his hips in frustration within the chaste steel embrace of his suit. He'd been in it for a week now and—yes, his rectal plug was vibrating again as it started another six-hourly enema cycle. He watched, gasping, as the two capsules' docking adapters kissed …"
(Typo alert: I initially wrote "dicking" instead of "docking".)