| Err |
| Flub |
| Bozo |
| Simp |
| Clown |
| Botch |
| Error |
| Boner |
| Bungle |
| Bobble |
| Blunder |
| Boo-boo |
| Blow it |
| Mess up |
| Mistake |
| Blooper |
| Screwup |
| Slip-up |
| Clinker |
| Stumble |
| Erratum |
| Screw up |
| Faux pas |
| Slip ___ |
| Blockhead |
| Foul (up) |
| Typo, e.g. |
| Silly billy |
| Amusing act |
| Silly error |
| Foolish sort |
| Dumb mistake |
| Pull a boner |
| Clown around |
| Oops!" evoker |
| Silly mistake |
| Minor mistake |
| Make a mistake |
| Foolish person |
| Silly -- goose |
| Make a blunder |
| Make a boo-boo |
| ___ off (loaf) |
| Foolish mistake |
| Make a misstep. |
| Idle, with "off |
| Loaf, with "off |
| Careless mistake |
| Commit a blooper |
| Silly typo, e.g. |
| Make a dumb move |
| Anachronism, e.g. |
| Minor misjudgment |
| Cause for an "Oops! |
| Make a bonehead move |
| Big ol' sillymonster |
| Make a ___ (succeed) |
| Makes a ___: succeeds |
| (Make a) silly mistake |
| Play around, with "off |
| ___ off (lounge around) |
| Waste time (with "off") |
| ___ off (waste time idly) |
| Jim Carrey often plays one |
| Transpose two numbers, e.g. |
| Make a ___ (flub or succeed) |