Sure they fit.
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Jekyll and Hyde fits because normally you're pretty nice, but when you get all riled up you get extremely emotional.
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ALLCAPS fits because when you get all riled up, you employ excessive use of ALL CAPTIAL LETTERS in order to make an emotional point. :]
Compost really fits least of all.. but I threw it in there because you often do include profanity solely for shock value.. I guess to throw people off.