He's always been a 'happy-go-lucky' guy.
She has a 'happy-go-lucky' disposition.
(..) Wanna watch? No. - I mean, I don't think so. - I thought you liked to laugh. I thought you were happy-go-lucky. No, no. I'm not happy, I'm not lucky, and I don't go. If anything, I'm sad-stop-unlucky. That's not funny, Naomi. I didn't mean to be funny there. (..)1992 TvShow: Seinfeld Title: The Bubble Boy Season: 4 Episode 7