To demolish.
To drink fast.
To disassemble for shipment.
To reduce the price of.
To hit or knock (something or someone), intentionally or accidentally, so that it falls.
To approve a drinking toast by banging glasses on the table.
At an auction, to declare (something) sold with a blow from the gavel.
To cease to behave in a consistent and/or rational manner.
To lose sight of an important objective or principle; to act contrarily to one's own interests through concentrating on relatively unimportant matters.
Used other than figuratively or idiomatically: see lose, plot.