thinko

/θɪŋkəʊ/

noun

Meaning

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

Synonyms

blooper,

blunder,

boo-boo,

brain fart,

defect,

error,

fault,

faux pas,

fluff,

gaffe,

lapse,

mistake,

slip,

stumble