To have protection, support, or backup in case something goes wrong. Someone with a safety net is less concerned about unexpected events.

To have a secret resource or hidden advantage ready to use at the most convenient moment. The person with an ace up their sleeve never shows all their cards at once and always surprises when others thought they had already lost.

To gather one's belongings and leave, especially after a breakup or difficult situation. This phrase is often used when someone is leaving a place or relationship due to a disagreement or conflict.

To completely let go and relax, losing one's inhibitions and enjoying oneself without worrying about what others think.