2. Toggle navigation. Rob*, a Hiram College senior, says, “I’ll text something like ‘Good morning, sunshine’ to wake her up and keep her smiling all day.” When a guy sends you this kind of text, (especially the morning after a date or hook-up), it means that he’s thinking about you and wants you to think about him the rest of the day. So if somebody is grumpy in the morning, you could use ‚good morning sunshine’ to be midly sarcastic and humourous. Watch your step^, sunshine, or you’ll be getting sack. A beautiful person who shines out from her surroundings. ^ be very careful Top definition. ‘Sunshine’ is used as a friendly form of address to someone you like or who is always upbeat and smiling. ‘Good morning’ is pretty much self-explanatory. 1.Sunshine: A name a mother names her child, meaning may the Shine of the Son of God shine out of her. Its used sarcastically against a male, and people who are not too bright. a boys girlfriend passed out from being piss drunk and he wakes her up by slapping her across the face and saying "good morning sunshine" he only should do this when she is acting like a stupid fuck the whole nite!! Perhaps confusingly, it is sometimes used as a threatening form of address; e.g. good morning sunshine. Referring to Jesus. On the other hand, it can also be used in a comic way to defuse a awkward conversation. Good Morning Starshine by Oliver song meaning, lyric interpretation, video and chart position. yo, u gotta give that annoying bitch a good morning sunshine. 3. When somebody tells you good morning sunshine, means your are very dear to this person, and wishing you to have a great morning and day ahead. A Person who is kind and happy and has a glow about them that resembles the rays of the sun.