Any garbage can full of bitches. A dumpster where bitches are dropped in. Anyone that is so bitchy they've deemed themselves worthless like garbage.
That tall, flat-chested blonde is such a bitch. She turns her back to people when they try and talk to her with her nose stuck up high. She makes a point to walk the other way if she sees someone "inferior" walking towards her in a hallway. It is regrettable for anyone meeting someone like that. What a piece of garbitch. People like that belong in the garbitch.
Unlike a normal bitch, this type of female is the lowest of the low. This term is meant for a ugly, skanky, trashy bitch that thinks that she is the shit, but really is just hot garbage. On a scale of 1-10 (10 being highest), a garbitch is a -2.
(Note: Garbitch can be used as a noun or as an adjective)
Dude #1: If you were stranded on an island with Tara Reid and you got horny, would you do her?
Dude #2: LMAO are you serious? Hell no! That bitch is trash!