1. the objective case of I, used as a direct or indirect object: They asked me to the party. Give me your hand.
2. Informal. (used instead of the pronoun I in the predicate after the verb to be): It's me.
3. Informal. (used instead of the pronoun my before a gerund): Did you hear about me getting promoted? adjective
4. of or involving an obsessive interest in one's own satisfaction: the me decade.