Flub the dub American old-fashioned slang
To fail to do something properly or do something badly
She often flubs the dub when it comes to cooking a new dish.
He flubbed the dub with this report.
1. To become shabby or worn along the edges when talking about fabric or threads
2. To become weaker or less effective, or start to fail
1. To fail completely
2. To become separated from something that was stuck to
1. If you say that something dies a natural death, you mean that it fails, fades away, or no longer exists.
2. If you say that someone dies a natural death, you mean that he dies because of disease or old age.
To fail
The verb "flub" should be conjugated according to its tense.
This term dates from the first half of the 1900s and became widely current during World War II.
Act in a way that is likely to cause problems for you
If you wear high heels for a long walk you're asking for trouble.