put a dent in her breakfast
Putting a dent in her breakfast involves sticking your cock up her bumhole as far as it'll go. The deeper you get,the greater the chances of hitting paydirt and leaving an imprint of your bellend in her poo. Those of you that can accomplish this feat have successfully 'put a dent in her breakfast'
Lillington bent over in eager anticipation, "give me the deepest bum fuck a man can muster!" she cried. That was a glorious evening, I humped and I pumped until finally, I put a dent in her breakfast