Crossword Genius

Typed in ALL CAPS, maybe (6)

Ross

I believe the answer is:

ranted

(Other definitions for ranted that I've seen before include "Spoke wildly and loudly" , "Declaimed in a loud, self-important way" , "made long speech" , "Went off" , "Raved, mouthed off" .)

I've seen this clue in the LA Times.
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