the act of straddling your partners face and prairie dogging a solid piece of poop in and out of his/her mouth. While the partner is pleasuring the piece of poop oraly, the person straddling masturbates ferociously onto their partner's chest. this pleasurable technique is often difficult to do when the prairie dogging partner has diarrhea.
Judy was really pumped when Jim decided to give her a mediterranean meatloaf bobber. She was no longer excited when she discovered that he ate mexican food earlier that day.