thinko
Noun
Meaning
thinko (plural thinkos)
(slang) 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
slip
faux pas
boo-boo
error
mistake
fault
defect
lapse
stumble
blunder
fluff
gaffe
blooper
brain fart