- babe in arms
- a babe in arms1. Lit. a very young baby that is carried by an adult. •
I have known that since I was a babe in arms!
•A young mother with a babe in arms stood in line with the rest of the students.
2. Fig. an innocent or naive person. •He's a babe in arms when it comes to taking girls out.
•Mary has no idea how to win the election. Politically she's a babe in arms.
Dictionary of American idioms. 2013.