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Usually related to hemorrhoids. Can also be used while describing "taco shits". When you rectum is inflamed and burning causing blood to appear in your stool. Most common cure being the use of Preparation-H pads or baby wipes.
Fred drank a case of beer and ate white castle last night. He's been in the bathroom for 25 minutes with the worst case of bloody bung I've ever heard.
by D.Z. July 21, 2006