2 definitions by Beryllium

Top Definition
A transit bus that has been drafted for a special use, displaying "SPECIAL" or "SPECIAL BUS" in lights on the front.
"There goes the Special bus again; maybe you should hop on?"
by Beryllium January 09, 2008
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The day (or several days) at the end of a common cold when your body is being "productive" and clearing out all the gunk and lungbutter. You may or may not be contagious, but folks will definitely steer clear.
Todd: Wow, Elliot should totally have stayed home for gunkday.
JD: Yeah, I always stay home for gunkday. That way I won't make my coworkers sick.
Perry: You make me sick.
by Beryllium October 03, 2017
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