This is a term which predates the comic book, and originally referred to people in the goth communities who were (like an Oreo) dark and spooky on the outside, but clean of the stereotypical gloomy gothic emotional core. As originally described, a gloom cookie individual is "not goth, but not not-a-goth."
by Tonistist April 28, 2016
The mushy or liquid mess left at the bottom of a bowl of vanilla ice cream and chocolate syrup. Often created intentionally by stirring vigorously.
by Tonistist April 29, 2011