Elviera means in slang: Elviera is very kind. She’s also very funny. She’s also cool as a superman. LET’S GO. Although she has many friends, only one friend is loyal to her. Let’s not forget that she is intelligent.

Person 1: Elviera is just so awful!

Person 2: You are not my friend anymore.
(in Slang Dictionary, added by Nieves Díaz)