Is in high spirits - Idioms by The Free Dictionary
be in high spirits (redirected from is in high spirits)
be in high spirits
To be happy and upbeat, often due to some success or positive occurrence. Ellen's been in high spirits ever since she found out she got the lead in the school play.
be in high/low ˈspirits (also in good/poor ˈspirits) be happy and cheerful/sad and miserable: John was in rather low spirits all evening. ▶ ˌhigh-ˈspirited, ˌlow-ˈspirited adj.: high-spirited children