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
Harrietta	her-ee-ET-ə, har-ee-ET-ə	English (Rare)
Sardar	-	Persian, Urdu, Pashto
Mikheil	-	Georgian
Akira	ah-kee-ṙah	Japanese
Kambujiya	-	Ancient Persian
Mabel	['mæbəl]