Top Definition
The act of taking a massive shit after visiting an all-you-can-eat brazillian steak house. With the term coming from Noah and the ark, suggesting that two of every animal will be exiting your ass in a messy, nasty, destructive dump very soon.
Man, I just ark'd in you toilet and it was not pretty at all. You may want to move houses.
by Jhubb July 21, 2013
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