flub
flub
noun
An instance of making a mistake or bungling something.
"That costly flub led to their defeat."
verb
To make a mistake or bungle something, especially a performance or line.
"He flubbed his lines during the dress rehearsal."
Thesaurus
Synonyms: blooper, boo-boo, bloomer, boner, botch, blunder, bungle, foul-up, fuckup, pratfall, spoil, screw up