To be left completely speechless with amazement, jaw literally dropping in surprise or admiration. It is the involuntary reaction when something surpasses all expectations and the brain needs a moment to catch up.

Not doing anything without a personal benefit, calculating every move based on personal interest. An opportunist never takes a stitch without a thimble.

Better late than never: doing something outside of the expected timeframe is still better than not doing it at all. It is the universal justification for the person who shows up last, finishes last, or starts long after everyone else.

Shameless audacity, the ability to do or say something unacceptable without showing any shame, leaving others speechless