Thinko

//θɪŋkəʊ// noun, verb, slang

noun, verb, slang ·Moderate ·High school level

Definitions

Noun
  1. 1
    A careless mistake made in thinking. slang

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

Verb
  1. 1
    To make a mistake when thinking. intransitive, slang, transitive

Synonyms

All synonyms
bloomerblooperboo-boobrain crampbrain fartclicko

Example

More examples

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

Etymology

From think + -o, on the model of typo (“typographical error”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.