1 definition by Jphn KL.

adj.

A greatly random act or action that is sudden and perplexes those who encountered it leaving them dumbfound. A step above random, thus the g for greatly random shortened to grandom.
John: Did you see the guy at the reception with a top hat?
Mark: No why?
John: He was so grandom, he started speaking German and throwing rubber ducks out of his suit case while playing the Macarena on a boombox all while he Capoeira.
Mark: ...damn, what hell was that?
by Jphn KL. March 8, 2018
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