flatty

Proposed by a contributor, not yet supported by evidence.

Sense 1

Meaning · English

A flatfish.

Register: slang

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).

Sense 2

Meaning · English

A flathead (fish).

Register: slang

Sources & notes

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

Sense 3

Meaning · English

A flat tire/tyre.

Register: slang

Sources & notes

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

Common questions

What does “flatty” mean?

A flatfish.

Is “flatty” formal or informal?

flatty is generally slang.