The phrase "happy childhood" refers to a time in someone's life when they experienced joy, contentment and positive emotions while growing up. It typically implies that as a child, one had loving parents or caregivers who provided them with nurturing, support and guidance; opportunities for play and exploration; and a safe and stable environment. A happy childhood is often associated with fond memories and can have a significant impact on shaping an individual's outlook, values, and emotional well-being as they grow into adulthood.