bloomer
bloom-er
noun
A large, crusty, oval-shaped loaf of bread.
"She bought a fresh bloomer from the bakery."
noun
An embarrassing or significant mistake, often made publicly.
"He made a real bloomer during the presentation."
Thesaurus
Synonyms: blooper, boo-boo, boner, botch, flub, blunder, bungle, foul-up, fuckup, pratfall