ray of sunshine. Urban Dictionary and our advertising partners set cookies on your computer to improve our site and the advertisements you see. a ray of sunshine phrase. Learn more. It is easy to add joy to a happy person's life but not everyone is a ray of sunshine when one is in need. Fucking Phil Lester. What does a ray of sunshine expression mean? Definitions by the largest Idiom Dictionary. Learn more. Ray of sunshine definition is - someone or something that makes a person happier or a place more cheerful. Definition and synonyms of a ray of sunshine from the online English dictionary from Macmillan Education.. Definition of a ray of sunshine in the Idioms Dictionary. What does a ray of sunshine expression mean? Phil Lester. ray of sunshine definition: 1. a happy person who makes others feel happy, especially in a difficult situation: 2. a happy…. This is the British English definition of a ray of sunshine.View American English definition of a ray of sunshine.. Change your default dictionary to American English. Cambridge Dictionary +Plus How to use ray of sunshine in a sentence. Meaning: someone or something that brings hope into the lives of others; A person who brings joy to others especially during times of difficulty; Example: Amid the sorrow her son had been a real ray of sunshine.