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caused by eating tuna, a tuna poop is the most foul, disgusting, smelly, rancid poop anyone can ever take
Hey Matthew Peterson, did u take a nice tuna poop after ate all that tuna?
by Big Penis M January 24, 2012
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2
1) when someone has been drinking all day, and no shower, and their stench smells like a radiant mix of tuna and poop. Usually due to excessive farting/sharting mixed with unnecessary levels of alcohol consumption. Sometimes results in living organisms, mainly tuna-fish, crawling out of your rectum.

2) used to describe an exceptionally vile human being
1) Oh my god, dude that guy smells like tunapoop. (proceed to vomit)

2) Dude he's being really tunapoopy lately, and I don't know why because he's usually cool.
by tingleberries79 November 27, 2009
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