Определение и Значение "say it, do not spray it"

What is the origin of the idiom "say it, do not spray it" and when to use it?

The idiom "say it, do not spray it" is a humorous and informal idiom, and it does not have a widely documented origin. It is primarily used to gently remind someone to speak clearly and without inadvertently releasing saliva during conversation, often in a playful or teasing manner. This idiom emphasizes the importance of enunciating words properly to avoid any discomfort or distractions caused by excessive spitting while speaking.