n. phr. A rough or clumsy person who says or does something to anger others or upset plans; a tactless person. We were talking politely and carefully with the teacher about a class party, but John came in like a bull in a china shop and his rough talk made the teacher say no.
BULL IN A CHINA SHOP
Meaning of BULL IN A CHINA SHOP in English
American idioms English vocabulary. Английский словарь американских идиом. 2012