this idiom is similar to "horsing around"- causing trouble
I have no time for monkey business for I have more important things to do.
To do work and focus
metaphor
The answer is: Metaphor. It is a metaphor because you are saying that Matthew has the hands of a monkey.
The idiom "business as usual" ends with as usual.
Don't interfare to what u are less concern of.
No Monkey Business was created in 1935.
It means to be more concerned about what you are doing than checking on what others are doing.
The Main Monkey Business was created in 2007.
Monkey Business - The Musical - was created in 2009.
Went under is used to mean they have failed, as in drowning. A business that went under is one that has closed or gone bankrupt.
It is said about person or a business and it means dishonest and only interested in making money quickly