Top Definition
The horrible feeling after a majestic bowel movement where you feel like your butthole is on fire, with no relief besides the gradual passing of time. The pain can sometimes be abated by either remaining on the toilet or walking bow-legged.
"Wes, you're walking bow-legged and you look so distressed. Is everything okay?"
"Dude, I just dropped the biggest log and I've got some serious Sore Butthole Syndrome (SBS). I feel like someone put a match to my sphincter."
by fgwg February 16, 2013

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