Not sure you mean literally or figuratively, but in either case it was the hottest thing in the world to help a guy get off while both anonymously getting each others needs met
There is nothing more thrilling than offering yourself to an anonymous man. I would post an ad on CL, trembling with anticipation, leave the garage door half-way open, and give my address to men looking to fuck a bi married man. My only instructions were to be very quiet. Hearing the footsteps approach, the zipper open as he pulled out his cock, still makes me hard.