American Idioms – Idiom Wizard Lists Over 5,500 Idioms & Slang Descriptions

Security blanket

DEFINITION

Comforting object. A small child may have a favorite blanket or stuffed animal to  bring comfort, so anyone who has a routine or item that brings them comfort is referred to as a security blanket. (Compare to Warm one’s heart.)

“He always walks around with a toothpick in his mouth, I think it’s his security blanket since he quit smoking.”

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