diaper baby

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

A contemptible person; a fool, or someone who acts immature.

Register: derogatory, informal, slang

Where it’s used: Used American English

Examples

"Knock Knock." Who's there? Jason answered. "Ura." "Ura who?" "Ura stupid diaper baby!" Jason's face turned red. "What?"

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “diaper baby” mean?

A contemptible person; a fool, or someone who acts immature.

Is “diaper baby” formal or informal?

diaper baby is generally derogatory, informal, slang.