old girl

Your mom. Mother

Can be a number of things. Mostly it's the new flavor of the week, they are called this til they graduate to "Baby Momma" or "The Wife." Often times, old girl is a called this because she is kept on the DL and/or your ashamed of her.

the wife, especially if she's been married for many years.

As above.

Chick who will do anything for a good old boy.

maybe the scariest form of human you’ll encounter.

A girl who thinks she is old enough to do whatever she wants, sometimes going through the "scene" phases. She tries to fit in with older people usually. Most of the time this person looks older than 13 or tries to act older than 13, she usually dates people older than her. She tries to be adventurous and tries new and dangerous things.