look up any word, like the eiffel tower:
This is when you take on something larger than anticipated in your back passage...on pulling out it causes the expulsion of the contents of your bowels and an involuntary cry of 'woo woo' like a train.
"oh my god...you look awful...what happened to you last night"

"I got shattanooga choo chooed"
by Boom Ting December 10, 2010