English · Slang Candidate

battery acid

Proposed by a contributor, not yet supported by evidence.

Meaning · English

Coffee.

Where it’s used: Used American English

Sources & notes

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

Common questions

What does “battery acid” mean?

Coffee.

Is “battery acid” formal or informal?

battery acid is generally slang.

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