What is Beer Anus?
1.
A condition affecting primarily the anus/sphincter/rectum in which the inflicted party has to constantly and consistenly make short, smelly, and often messy bowel movements. This condition is usually caused be drinking heavily the night before.
I'm about to run out of friggin' toilet paper, this beer anus is totally owning me.
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2.
A constant, foul liquid that purtrudes from the anus typically caused from massive alcohol consumption the previous night. see Ass Piss.
"You want to go to Treesburg and floss this afternoon?"
"Nah man, Ive caught the beer anus"
See