go by the boardif an idea, way of behaving, or plan goes by the board, it fails to happen, ends, or is no longer possible
[TahlilGaran] Dictionary of Contemporary English ▲
go by the board v. phr. To go away or disappear forever, be forgotten or not used.
Tom had several chances to go to college, but he let them go by the board.
Grandfather said he was too old to go to the beach. "Those days have passed by the board," he said. Compare: DOWN THE DRAIN.
[TahlilGaran] English Idioms Dictionary ▲