大陆凯子装港逼大陆马子装港婊

This expression carries a critical tone, mocking individuals on the mainland mimicking stereotypical Hong Kong behaviors (portrayed by terms like '凯子' [easy mark], '港逼' [derogatory for someone pretending to be sophisticated from Hong Kong], '马子' [informal term referring to girl] and '港婊' [derogatory implication]), implying superficial or false pretenses. The content is somewhat derogatory and can cause misunderstanding or bias.