From Longman Dictionary of Contemporary Englishmateymat‧ey1 /ˈmeɪti/ adjective British English informal FRIENDLYbehaving as if you were someone’s friendmatey with She’s been very matey with the boss lately.
Examples from the Corpus
matey• He is not a matey deity who shines a flashlight into some dark corner of his recalcitrant universe on demand.mateymatey2 noun British English informal MANTALK TO somebodyused by men as a very informal or disrespectful way of speaking to another manExamples from the Corpus
matey• Arrgh, matey, who could have expected finding a buried displeasure here? 12: 38.• You're talking walk in the park, matey!• Well matey, you'd better write to Vicky then! 