lock under

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

Meaning · English

To serve a life sentence in prison.

Register: slang

Where it’s used: Used American English

Examples

He's gonna get locked under a cell.

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 “lock under” mean?

To serve a life sentence in prison.

Is “lock under” formal or informal?

lock under is generally slang.