Gay and Sunny-side up

Gay adjective - Having much high-spirited energy and movement.

Sunny-side up and gay are semantically related In some cases you can use "Sunny-side up" instead an adjective "Gay".

Sunny-side up adjective - (eggs) fried on only one side.

Gay and sunny-side up are semantically related in happy topic. Sometimes you can use "Gay" instead an adjective phrase "Sunny-side up", if it concerns topics such as funny.