monkey business

US /ˈmʌŋ.ki ˈbɪz.nɪs/
UK /ˈmʌŋ.ki ˈbɪz.nɪs/
"monkey business" picture
1.

sciocchezze, imbrogli, buffonate

silly, dishonest, or mischievous behavior

:
Stop all that monkey business and get to work!
Smettila con tutte quelle sciocchezze e mettiti al lavoro!
The teacher suspected some monkey business was going on during the exam.
L'insegnante sospettava che ci fosse qualche imbroglio durante l'esame.