When someone is forced to sleep on the recliner, without someone of the opposite sex, when all the other beds/sofas are being used by couples. Happens most often to the 3rd or 5th wheel.

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.