Perhaps from Middle English goffen (“to speak in a frivolous manner”), possibly from Old English gaf, ġegaf (“base; wanton; lewd”, adj), ġegaf (“buffoonery; scurrility”, noun), gaffetung, golfettung (“buffoonery; mockery”). Compare English dialectal gauffin (“lightheaded; foolish; giddy”), Scots gaff, gawf (“to talk loudly; babble”), Scots gaffaw (“a loud laugh”).
goof (plural goofs)
- (US, informal) A mistake or error.
- I made a goof in that last calculation.
- (US, Canada, MTE, informal) A foolish and/or silly person; a goofball.
- Your little brother is a total goof.
- (Canada, prison slang) A child molester.
- (error): blooper, boo-boo, error, faux pas, fluff, gaffe, lapse, mistake, slip, stumble, thinko
- See also Thesaurus:error
- (US) To make a mistake.
- It's my fault. I goofed.
- (US) To engage in mischief.
- We were just goofing by painting the neighbor's cat green.
- See also Thesaurus:make a mistake