boo-boo boo • boob · · · Info · Definitions · Synonyms · Characters · · boo-boo · · Text Common · · Latin · · Scripts 7 · · Length 2 · · Syllables Definitions · · · (noun) an embarrassing mistake. Synonyms: blunder, blooper, bloomer, bungle, pratfall, foul-up, fuckup, flub, botch, boner. · · Noun Definition 1 Synonyms · · · blunder · · Synonym 1 blooper · · Synonym 2 bloomer · · Synonym 3 bungle · · Synonym 4 pratfall · · Synonym 5 foul-up · · Synonym 6 fuckup · · Synonym 7 flub · · Synonym 8 botch · · Synonym 9 boner · · Synonym 10 Characters · · - hyphen-minus U+002D b latin small letter b U+0062 o latin small letter o U+006F