Goof

Noun

 * 1) 🇺🇸 A mistake or error
 * I made a goof in that last calculation.
 * 1) 🇺🇸 As a specific usage in film, an error made during production which finds its way into the final release.
 * 2) 🇺🇸 A foolish person
 * Your little brother is a total goof.
 * 1)  A child molester.

Synonyms

 * blooper, boo-boo, error, faux pas, fluff, gaffe, lapse, mistake, slip, stumble, thinko
 * See also Thesaurus:error

Verb

 * 1) 🇺🇸 To make a mistake.
 * It's my fault: I goofed.
 * 1) 🇺🇸 To engage in mischief.
 * We were just goofing by painting the neighbors cat green.

Synonyms

 * See also Thesaurus:make a mistake

Thesaurus
asshole, bitch, bitch up, bloomer, blooper, blow, blunder, bobble, bonehead into it, bonehead play, boner, boo-boo, boob, boob stunt, booby, boot, bugger, bugger up, bungle, butterfingers, chump, clumsy, ding-a-ling, dingbat, dingdong, dolt, dolthead, drop a brick, drop the ball, dub, duff, duffer, dumb trick, err, fathead, flub, fluff, fool mistake, foozle, foozler, foul up, foul-up, fumble-fist, galoot, goof up, goofball, goofer, goon, gum up, hash up, hick, howler, jerk, jerk-off, klutz, louse up, louse-up, lummox, lump, lunkhead, mess up, miss, miss the mark, muck up, muck-up, muff, muffer, mutt, oaf, pratfall, prize sap, pull a boner, rube, sap, saphead, sawney, schlemiel, screamer, screw up, screw-up, slip, slip up, slob, stumblebum, stumblebunny

Etymology
Perhaps from dialect goff: from early modern English goffen:

Noun

 * Finnish:, ,


 * Finnish: ,


 * Swedish: dummerjöns, dummer

Verb

 * Finnish: ,


 * Swedish: göra en tabbe, tabba

Derived terms

 * goof around
 * goof off
 * goof-off


 * goof up
 * goofball
 * goofy