George
Does she walk around holding a pen she never seems to need?
Jerry
No, she looks completely normal.
George
Oh. Okay, here it is, I got it. She lost her thumbs in a tractor accident and they grafted her big toes on. They do it every day.
Jerry
You think she's got toes for thumbs?
George
How's her handshake? A little firm, isn't it? Maybe a little too firm?