1. A failed attempt at spelling the word garbage or garage. (I'm not sure which)
2. A new word created by jaylen, an 8 year old boy that likes to hack Pokemon games to make himself look mature.
If garbag is in fact a new word, it most likely means a kind of bag in which you can fit people inside or a sad excuse for a mobile home.
A very average girl who gets treated like trash and some people feel bad for her. Many garbage girls developer superiority complexes to conceal feeling of inferiority.
Guy 1: Why do you like her bro? She’s a Garbage Girl. You can do way better.
Guy 2: IDK she makes me feel like I can’t do better.
The substance of evil that copies you and pretends to be you. It will then attempt to destroy you and mankind if you shake its hand. Never trust Garblgla.