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An interjection usually used when one is totally wicked pissed.
"Rowwwwwwwwwwww can you get out of the booth? I'm neurotic. I have to sit in the booth."

"...Are you fucking kidding me, Duncan? You've never sat in a goddamn chair before? Shittlebits! You cannot be fucking serious!"
by Demon shitter July 31, 2005