1 definition by have a crack

The shortening for the Irish surname "O'Brien" etc....
O'Brien = O'B = OBIE.
O'Byrne=O'B=OBIE
O'Dyer =O'D= ODIE
an irish man in the pub say's "hey OBIE can you ask ODIE to fill me jug?
by have a crack June 22, 2009
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