(to be) a happy camper slang
A person who is pleased and satisfied with their state of affairs.
Last night, a thief broke into his house and stole his motorbike. He was not a happy camper.
I could tell you were not a happy camper after having to wait for such a long time, but you still couldn't buy what you wanted.
John confessed his love to the girl of his dreams, Mary. The confession was accepted. That's why he looks like a happy camper at the moment.
This term originated from the second half of the twentieth century and initially referred to a summer camp attendee. It is frequently used negatively, such as when business is down 40% during the week.
People are always inclined to flatter or please a rich man by laughing at his joke which may not be a very good one.
Everyone at the table always flatter the boss by praising his humor. A rich man's jokes are always funny.