Stuff My Ass Full of Cum 8. Stretch my ass wide, then cram your cock all the way inside until it splits my sphincter. Shove it so deep that when you shoot your hot load, it’s gonna fill up my ass. You know what happens next? Your gooey, thick jizz will pump out all over my ass and run down my leg. And if you’re still ‘up’ for it, you can stick that cock right back in and fill my ass up again!.