Wrong spelling of gist. The gist of the argument is the essence, the most important point.

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.

The whole general idea of a subject.

When you cover your dick hole with your thumb while you cum so it shoots a jizzy mist.

This is a contraction for the exclamation, "Jesus Christ". It is a more efficient and potentially less offensive way to use the Lord's name in vain.

The act of inserting one's fist into another individual's vagina or anus until he or she experiences sexual climax, or "jizzes." A combination of the words fist and jizz.