Open the floodgates

Meaning

Unleash a large, often overwhelming amount.

Usage

Used when describing unstoppable consequences.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Literal floodgates controlling water flow.

Used in political and social commentary.