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:
1.
-An alternative to saying "what tha fuk" or "what tha duece"
"YO .......i think i just threw up a quarter!......