flub up
B2 informal separable both
In simple words
To make a silly or embarrassing mistake, especially when you say something wrong or perform badly.
Meanings
1 B2
idiomatic
informal
To make an embarrassing mistake, especially in speech or a performance.
"The actor flubbed up his lines twice during the live broadcast."
Grammar: separable
2 B2
idiomatic
informal
To ruin or spoil something through careless mistakes.
"We had a perfect plan, but they completely flubbed it up at the last minute."
Grammar: separable
Usage notes
Primarily American English. Often used for verbal blunders, acting mistakes, or public slip-ups. The base verb 'flub' is more common than the phrasal 'flub up'.
Commonly used with
lines speech presentation performance interview
Forms
Base
flub up
I/you/we/they
3rd person
flubs up
he/she/it
Past simple
flubed up
yesterday
Past participle
flubed up
have + pp
-ing form
flubing up
continuous
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