Cut someone some slack

Meaning

Give someone leniency.

Usage

Used when asking for patience or forgiveness.

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.

Slack in ropes refers to giving more rope.

1950s American slang for easing demand.