The act of holding in a fart in such a way that it tickles your prostate in order to either reach a sexual climax or prolong sexual stimulation
“Why is there a wet stain on your pants”
“My bad, i was prelching so hard i done busted”
holding in a fart or turd to let it tickle your prostate to achieve climax
Bro 1: How’d you bust without hands
Bro 2: Oh, y’know… Prelching