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Noun. Activity that requires physical or mental exertion while chasing a San Francisco MUNI bus. Also, having to run to your destination because of late or missed MUNI buses.

Verbs: MUNIcised, MUNIcising, MUNIcises.
Sara: Going to the gym after work today?
Jane: Nah, I MUNIcised twice this morning trying to get to work on time. I've done my cardio for the day.
by Polyester.Specter January 27, 2011
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