Top Definition
Medical diagnosis describing a syndrome characterized by:
-Burning sensation of anus upon defecating
-Painful release of fecal matter
-Waddling post-defecation

Often accompanied by: tears, need for preparation H, and is often directly related to spicy foods or constipation.
-Bro, your mom's chimmychangas last night gave me hardcore B.B.S. (Burning Butthole Syndrome)!
by Carrima September 15, 2011

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