On cloud nine
English Idiom
Meaning: Being in an extremely happy and contented state. It's the feeling of being euphoric and elated, as if you're floating on a cloud.
Origin: The idiom 'on cloud nine' is believed to have originated from meteorological classifications of clouds. The highest level of clouds were referred to as 'cloud nine,' symbolizing an ultimate state of happiness. It gained popularity in the 20th century and has been commonly used to describe feelings of extreme joy.
