Tractor Girl Soup is a phrase you say when you either cannot decide on something or you don't want to say yes or no due to the result of possibly hurting the asker's feelings.
Tractor Girl Soup is from the movie The Crazies. A scene that involves a tractor and a guy and girl which ends up making them look like soup. (guts and blood everywhere)
It's just a funny, very random answer you give to anyone if the question they asked has the qualities of the above description.
Guy: We've been together for a while..Will you marry me?
Girl: Err...Tractor Girl Soup...
Person 1: Hey! Welcome to McDonalds! May I take your order?
Person 2: Umm..Tractor Girl Soup, Tractor Girl Soup..uh..Tractor..Tractor..Soup..I'll have the Big Mac.
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.