Over the moon
The idiom “Over the moon” is used to express extreme happiness or delight. When someone says they are “over the moon,” they mean they are thrilled, ecstatic, or overjoyed about something. The origin of this idiom comes from the idea of being so happy that you feel like you are soaring beyond the moon, reaching a level of joy that is beyond what is earthly or normal.
People often use this expression when they are incredibly pleased about an event, achievement, or good news. It conveys a sense of being on top of the world, basking in the glow of happiness. So, when someone tells you they are over the moon, they are sharing that they are experiencing a level of happiness that is beyond measure. It’s a beautiful way to describe feeling elated and thrilled.