sunny side up
Also found in: Acronyms, Wikipedia.
sunny side upmainly BRITISH, JOURNALISM
1. If you describe someone or something as sunny side up, you mean that they are cheerful and bright. This was Sol, sunny side up. He was `loving every moment' with his new club, feeling `alive again.' Note: You can also say that you keep your sunny side up, meaning that you stay cheerful. Somehow, throughout all this, she managed to keep her sunny side up.
2. If a fried egg is sunny side up, it is cooked on one side only and not turned over in the pan. She cooked his eggs the way he liked them — sunny side up and a drizzle of melted butter on top.