headache ball

breaker ball, headache ball

A heavy, rounded metal weight which is swung from a crane line; used to demolish masonry or concrete structures.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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It will multiply in its ill effects when the headache ball takes down the 1960s stadium, with its beautiful Arch-like curves, and replaces it with a faux brick facade, retro stadium that only a faux cowboy made rich on corporate welfare could appreciate.