Top Definition
A synonym for choking in the sporting sense.

A reference to the perceived under-achievements by the New Zealand All Blacks in Rugby World Cup history - always starting favourites, failing in the big games.
Jana Novotna seriously All-Blacked against Steffi Graff in the 1993 Wimbledon final.

Greg Norman was a serial All-Blacker in major tournaments.

New Zealand Rugby team has a history of All-Blacking in Rugby World Cups.
by Redtrousers September 11, 2011
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