mup ‧ pet /ˈmʌpət, ˈmʌpɪt/ BrE AmE noun [countable] British English spoken informal
an insulting word for someone who is stupid or who has done or said something stupid
mup ‧ pet /ˈmʌpət, ˈmʌpɪt/ BrE AmE noun [countable] British English spoken informal
an insulting word for someone who is stupid or who has done or said something stupid
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012