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1.
A word used on the occasion when one person either forgets the name of another person in question, cannot be bothered using their real name or wants to make a spectacle of the person in a very boganish way.
This word is often used by tradesmen when speaking to either apprentices or fellow workers.
example 1;
Builder:Oi keithy grab us the left handed screw driver.
Apprentice: righto mate.
Builder: retard:)

example 2:
Person1: hey thats old keithy isnt it?
person2: Yer, i saw him and oldmate the other day.

example 3:
Oi keith, whats your name again?
by incurZ November 14, 2007