English · Slang Attested

thinko

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

Both English Tiếng Việt

Meaning · English

A careless mistake made in thinking.

Nghĩa · Tiếng Việt

Một lỗi思考 cẩn thận

Machine-translated — suggest a fix

Where it’s used: Used American English

I must have done quite a thinko, but I don't remember leaving my keys in the refrigerator.

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 “thinko” mean?

A careless mistake made in thinking.

Is “thinko” formal or informal?

thinko is generally slang.

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