another word for an extremely retarted person/animal that just did something stupid. A shorter version is Nimbus. Nimbustable is the preferred word in a retarted conversation including your friends or a literal nimbus.
Guy 1: Did you seriously just slap the president?
Guy 2: Yeah.
Guy 1: YOU NIMBUS! YOU'RE GOING TO GET US ARRESTED!
Guy 2: *getting shacked in handcuffs* What are you talking about?
*Guy 2 getting shoved into a police car*
Guy 1: *shakes head* you nimbustable...
Guy 2: Yeah.
Guy 1: YOU NIMBUS! YOU'RE GOING TO GET US ARRESTED!
Guy 2: *getting shacked in handcuffs* What are you talking about?
*Guy 2 getting shoved into a police car*
Guy 1: *shakes head* you nimbustable...
by what the fucc November 20, 2017
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