An acronym meaning 'grotesque at best'. Something that is very repulsive, offensive or generally in bad taste. Objects, ideas, or people can be grotesque at best.
The act of intentionally seeking out incestuous relationships.
Examples include taking a DNA test to find potential hookups in your area, referring to your Family Tree as your "To-Do List" and only ever bringing foods considered to be aphrodisiacs to family gatherings.
"I'm going to Gab the hell out of this family holiday"
A gab is usually a lampshade that has dried ejaculate on its inards; usually worn on the head of an individual while he/she dances to african (tribal) beats.
Take that gab off your head, Marty, this beat isn't african it's asian.