be a happy camper

To be pleasant and in good spirits. I'm a happy camper now that I've been promoted and am no longer an intern! He's not going to be a happy camper when he finds out you ate his leftovers.

not be a happy camper

(British & American humorous) also not be a happy bunny (British humorous)

to be annoyed about a situation Her computer crashed an hour ago and she's lost a morning's work - she's not a happy camper.

Common Names:

Name	Pronounced	Usage
Nico	NEE-ko (Italian, Dutch, Spanish)	Italian, Dutch, German, Spanish, Portuguese
Vitalis	-	Late Roman
Ladislao	-	Italian
Aldrin	['ɔ:ldrin]
Agner	-	Danish
Cymbeline	SIM-bə-leen (English)	Literature