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1.
A word to desribe an act, person, or thing that is really really really not cool. This describes people who talk loudly on their cell phones as if the whole world cares, farting on an elevator, or eating all of your friends Cheddar Chex Snack Mix. This word was also invented by someone who is very cool and is no way shape or form buttish.
Did you see that fat chick order a big mac and a DIET coke, that was totally buttish.

Don't be buttish man, stop hogging the cheetos.

Have u heard about how Isaac Hayes quit South Park cause they made fun of scientology? Hes buttish.
by matt the eunuch August 07, 2006