Any number of poolboys, cabana boys, lifeguards, etc. who work in or around water and whose sexual orientations range from ambiguous to flamboyantly homosexual.
"All these tropical buttfish are deflating my sails."
or
"He's a total tropical buttfish. He hit on Mrs. Windham's son last night at the luau."
A word to desribe an act, person, or thing that is really reallyreally 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.
A legendary picture of a man having a fish shoved up his butt and exposing it on a camera to the internet for all to see.
Used by many courageous fleet commanders in EVE Online to demoralise the enemy in local channels, especially when trolling or smack talking needs to be done.
EVE FC in local system chat : "Hey guys look at our epic kill <posts buttfish link disguised as killboard link>"
Everyone else in chat: "Oh god what the fuck is that shit? I am petitioning this, you disgustingpiece of shit, why don't you post something normal like alabama hotpockets or something"