What is Surprise Bowel Movement?
1.
aka SBM, when you think you are just going to the bathroom to take a piss, and you unexpectedly have the urge to poop.
"Dude, what took you so long to piss? Did you fall in?!"
"Nah man, I had a Surprise Bowel Movement."
See
Random Words:
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A poor driver. In California, this person is usually Asian.
Watch out! There's an accidental in that Lexus in the next lane...
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The ability to behave or express oneself within a set of socially or politically set parameters while simultaneously perceiving oneself ..