Beryllium's definitions
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.
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 3, 2017
Get the gunkdaymug. A transit bus that has been drafted for a special use, displaying "SPECIAL" or "SPECIAL BUS" in lights on the front.
by Beryllium July 23, 2008
Get the Special Busmug. by Beryllium  July 10, 2015
Get the Thigh Clenchermug.