Definition: The word "flub" can be both a noun and a verb.
In more formal settings, instead of saying "flub," you might use "blunder" or "misstep," but "flub" is more casual and often used in everyday conversation.
While "flub" primarily refers to mistakes, it can also imply a lack of skill in doing something, often used humorously.
There aren't many idioms that use "flub," but you might hear phrases like: - "To flub it up," meaning to mess something up badly. - "Flub the lines," which means to forget or misstate the words you are supposed to say.
"Flub" is a fun, informal word that you can use to describe mistakes, especially when they are silly or embarrassing.