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1.
a really gangster name
hey homie g!
whats up erba?
by Laur-dizzle June 21, 2008
 
2.
This name ain't nuttin tah fuk wit!
"Hey Erba, are you coming to my party?"
"Wa-da-tah"
by marykate6969 April 19, 2009
 
3.
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.
by ellieisbeast July 02, 2011