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.
-Look at her dress! It's so short and tight! That is GAB.
A GAB statement:
Why didn't you make out with me for $20 each?!
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"
"My cousin is so hot I think I'm going to Gab him this Christmas."
"Grandad's Funeral was a total Gab-Fest! I couldn't walk right for a week afterwards."
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.