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The most common known definition is, "Retard" or "dumb ass". For example one day at school Alex and his frineds where walking trough school and started acting retarded. They are now known as Unbankes's.
Wow guys, your making me look like a unbankes.

Hey you see that unbankes?!
O.J. is a unbankes.
What a unbankes.
by the unbankes September 29, 2009
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