Irish culture slang for saying hello. It is derived from "Alright Boy" which has been broken down several times into many greetings.
"Eeeee Beeee, what ya up to today lad?"

or

Pat : "Hi John"
John : "Eeeee Beeee"
by Martak Meanianski July 31, 2009
Get the Eeeee Beeee mug.