Effervescent

ˌɛfərˈvɛsənt

adjective

giving off bubbles; fizzy; vivacious and enthusiastic

The word 'effervescent' comes from the Latin word 'effervescere', which means 'to boil up'. It is often used to describe someone or something with a lively and enthusiastic personality, or a liquid that gives off bubbles like carbonated drinks.

With effervescent agility the chaplain ran through the whole gamut of orthodox immoralities, while Nately sat up in bed with flushed elation, astounded by the mad gang of companions of which he found himself the nucleus.

Heller, Joseph

Catch-22