I'd never heard of it either. I've not tried it yet but have cum close as my Chinese gf used to use her finger as a prostate massage while tonguing me there and my perineum as a stimulus after I'd already cum a few times and she would make me kneel on all fours while she reached between my legs and masturbated me with the other hand. It was an unbelievable climax. We'd already discussed it, but had never heard the term 'Pegging,' Well you learn something new every day! he he