A fork of Rural Dictionary
A really pretty person with a good personality, and a kind heart, erba is a type of person that would make you laugh when your around them.
adj./n. a bitchy, whorish person, who is being excessively annoying. A two-faced hypocritical idiot.
girl 1: OMG Gina! stop being so erba! or girl to another: wow, Violet is SUCH an erba.