When a man stuffs his "bacon" into a woman's (or man. Depends on sexual orentation) rectum so hard and deep, that when the "bacon" is withdrawn out of the rectum, a hamburger looking object is attached with slightly mis-colored blood.
Dave- "Man. I got so hammered last night, I gave this chick I think I knew from like, middle school a Bacon Ass-Pounder with Cheese"
Michelle-"THAT WAS YOU!!! I'M STILL BLEEDING YOU A**HOLE!!!!"