Also Abbrev. as GA
1) When a potential mate / dating prospect lives at a distance.
2) A job prospect in a location where you don't want to live.
1) e.g. I live in New York, She lives in England... she's cute, but she's completely geographically undesirable.
2) e.g. They offered me $120k for the position, but there's no chance I'm moving to French Lick, Indiana. That's way too G.A.
Most commonly referred to as "G.U.", geographically undesirable is someone who you would like to date, but the fact that they live so darn far away is a problem.
She wanted to date him, but he was Geographically Undesirable since he lived in Santa Barbara and she lived in San Diego.