happy-go-lucky: Meaning and Definition of

hap•py-go-luck•y

Pronunciation: (hap'ē-gō-luk'ē), [key]
— adj.
  1. trusting cheerfully to luck; happily unworried or unconcerned.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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