Emzy means in slang: Alex and Emily This would make the best couple. They are soulmates, and are the best of all. (in Slang Dictionary, added by Londyn Li)
What else does Emzy mean?
If something is extremely pink, loud or horny. (in Slang Dictionary, added by Bailey Keller)
Emzy, a shy person with a tendency to be defensive and detests criticisms of her appearance, is very self-conscious. Emzy lacks confidence, is not confident in herself and doesn’t think highly about herself. She also tends to be a person who never looks too far ahead. She is a great friend and family member. (in Slang Dictionary, added by Petronila Santiago)