There was a chick like this at my old gym, named Deann. She would be holding (literally) 5lb Dumbbells and screaming her head off. She was quite the character, and it didn't stop with the weights. She had 5 personal trainers, she was still far out of shape. She had half eaten sandwiches in her car, that she would run out to and munch on between sets (no kidding!).
And from all the accounts I was given, her hygiene wasn't the best either...and I'm not talking her B.O. Her trainer, also being a female, had some pretty negative things to say about her...um, stench.