- To monkey around — дурачиться (to behave in a silly or careless way).
Wooo! I’m very tired. I cannot stand on my feet, because I monkeyed around playing together with my daughters.
- Monkey business — валять дурака, проделывать бессмысленную работу (bad or dishonest behaviour).
Are you still chatting on the phone instead of doing your homework? Enough of this monkey business!
- To make a monkey out of someone — насмехаться над кем-то, делать из него дурака (to make someone look stupid).
She simply refused to pay back her debts, making up all sorts of false excuses. I don’t understand why she has to make a monkey out of herself.