English · Slang Attested

AC Plonk

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

Meaning · English

aircraftman second class in the RAF

Where it’s used: Used American English

He had recently been on leave, wearing the uniform of an AC Plonk (newly joined airman) […]

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 “AC Plonk” mean?

aircraftman second class in the RAF

Is “AC Plonk” formal or informal?

AC Plonk is generally slang.

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