She acts as if everything in her life is 'peachy keen' [='peachy'], but I don't think she's really happy.
“It's starting to rain.” “Oh, that's just 'peachy'! What are we going to do now?”
For the first few months of their marriage, everything was 'peachy'.
(..) .. I'II put my foot in your chest. Push off. .. You aII right? .. I'm just peachy. Can you heIp me get my boot off? .. Sorry. .. And that wouId be my beIt buckIe. .. (..)1999 Wild Wild West