cultural appropriationed

(/ˈkʌlt͡ʃ(ə)ɹəl əˌpɹoʊpɹiˈeɪʃənd/)

adj.

Drunk on the strength of borrowing someone else's mannerisms, anecdotes and conversational territory without permission.

Legacee got cultural appropriationed and adopted the neighbour's catchphrase before meeting the neighbour.