denial orgasm one of the challenges that you will find on chaste-t.com 2/2

If ruination isn't your thing, try nipple and testicular stimulation or a prostate massage (also called "milking"). Prostate milking is also known to produce a similar ruined orgasm - a "dripping" or "flowing" release of semen rather than the traditional "gushing".
If you haven't yet found an ideal partner, there are many naughty dating site comparators on the internet.