Wet behind the ears
Meaning
To be young, inexperienced, and naive.
Origin
The phrase "wet behind the ears" draws its vivid imagery from the natural world, specifically the birth of mammals like calves or foals. When an animal is born, its entire body is covered in amniotic fluid, but as it dries, the areas around the ears, being somewhat protected and recessed, often remain damp longer than the rest of the head. This lingering wetness became a perfect metaphor for someone newly arrived, fresh from birth into the world of experience, and thus inherently naive and lacking in knowledge or sophistication. It’s a gentle jab, implying a lack of worldliness that time and exposure will eventually dry away.
Examples
- The new intern was still wet behind the ears, making a few rookie mistakes on his first project.
- She might be wet behind the ears now, but with some guidance, she'll quickly learn the ropes and become a valuable asset.