What is Umatilla?
1.
N. - The bowel movement resulting from desperately refusing to crap for many days while backpacking, being at summer camp, or otherwise lacking access to a reasonable restroom facility.
Arwen cranked out a painful Umatilla after a week, and it was fortunate that she did not need surgery.
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Random Words:
1.
An episode of anxiety, outrage, anger, or extreme stress where one could potentially go through the wall, as would the Kool-Aid man hims..
1.
Mucky -> dirty
Chaw -> vagina
So basicly 'dirty vagina'
"Oh my god that girl had a mucky chaw."
See vagina..