Exuberant

[Sarah]

Correct definition: Excessively Happy.

[Zipporah Schumaker]

Full of energy, excitement, and cheerfulness.

[Tina]

joyously [unrestrained], to be filled w or characterised by lively [song and dance], energy and excitement, happy spirits and [vitality].
derives from the german uber meaning very or over. therefore the tag of exUBERance refers to one who is very over.

[Agnes]

Filled with or characterized by a lively energy and excitement.

[Zipporah Schumaker]

(especially of people and their behaviour) very energetic: