boner Bonellia • boneset · · · Info · Definitions · Synonyms · Characters · · boner · · Text Latin · · Script 5 · · Length Definitions · · · (noun) an embarrassing mistake. Synonyms: blunder, blooper, bloomer, bungle, pratfall, foul-up, fuckup, flub, botch, boo-boo. · · 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 boo-boo · · Synonym 10 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072