A. The women with the world's largest tits. A large breasted women who is 40+ years of age who's tits are roughly the size of bowling balls.

B. Nicole's mom.

A pick me is a woman that is willing to do anything for male approval. She will embarrass or throw other women under the bus to achieve this goal. The unfortunate thing about a pick me is usually the men they are trying to seek approval from are of poor quality and treat women badly, leaving little real benefit for the pick me.