A grip is: n. a phrase used to express quantity; a large amount of something.

Two grips would be way more than one grip: an extremely large amount (approx. equivalent to a metric fuckton) often used as an exaggeration for alot of stuff

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.