stupid is as stupid does

English dictionary entry

Meanings

proverb
  1. Stupid behaviour indicates stupidity.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-stupid is as stupid does.wav

Word forms

stupid is as stupid does

Etymology

Apparently modeled on handsome is as handsome does. Attested since at least 1862, but popularized (perhaps independently) by the 1994 film Forrest Gump.

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