iron lung

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

Meaning · English

A bung; a bribe.

Register: slang

Where it’s used: Used American English

Examples

Most criminal cases, when I was practising, were paid for by SLAB, which kept a vice-like grip on the purse strings, paying a pittance no self-respecting plumber would get out of bed for, so an iron lung (bung) was the order of the day when dealing with the professionals of the underworld.

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 “iron lung” mean?

A bung; a bribe.

Is “iron lung” formal or informal?

iron lung is generally slang.