If you refer to someone as an oik, you think that they behave in a rude or unacceptable way, especially in a way that you believe to be typical of a low social class.
[British, informal, disapproval]
They imply that Tony is an uneducated oik, who spends too much time down the pub.
oik in British English
(ɔɪk)
noun
British derogatory, slang
a person regarded as inferior because ignorant, ill-educated, or lower-class