I ran over to the structure, the metal overhang of the bus stop and slowed to catch my breath. I could feel a gush of cum squirt out as he jumped off. Please let me go. A strong, pungent odor filled my nostrils twisting my stomach into knots. His cock had stirred up my bowels and I let loose a torrent of shit, and it seeped out of me and ran down my legs. He pulled it from my ravaged mouth which gave my jaw a welcome rest. My thoughts raced back to biology class, and I realized this was the knot dogs use to ensure they impregnate their mates. I lay there a moment trying to catch my breath, and tried to see what just hit me. I wanted to speak but could not find any words. He laughed even harder as he saw the pee run out of my mouth as he finally pulled his cock out and pulled his jeans back up. The parking lot was dimly lit by only a couple of lights.
