Jack slapped Betty's asscheeks roughly as he fucked her from behind, plowing his immense cock into her rear enterance, stretching out her tender butthole.  Mack quite enjoyed the feeling of her screams being muffled by his meatstick.  The vibrations from her mouth created a very pleasent sensation.  To keep her squealing and screaming, he gripped each of her nipples between a thumb and forefinger, since they were hanging so conveniently in front of him, and twisted them around one-hundred and eighty degrees.<br/><br/>Jar was just about to blow, and he wanted to see his streaming shots of ejactulation leap through the air and into the sexy little females mouth.  For that reason he removed her mouth from his cock with his hands and directed her further, "Keep your mouth wide open and keep stroking it...stick that tongue out.  I want to see you take and eat each spurt of my cum...ugh..."