When a guy is doing a girl doggy-style and she thinks she has to fart, but when she does, diarrhea comes out and drips down around the guy and to her front.
1.A large extra area of fat between the belly button and genitalia that looks like a second ass 2.Being able to defecate on the toilet sitting facing the tank due to obesity.
Courtney had such a large front dumper that Paul had to role her in flour to find the wet spot.