Region: General | Usage example: The company tightened its belt during the downturn.

Tighten your belt

Meaning

Reduce spending when money is short.

Used during economic pressure.

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Literal belt tightening when clothes become tighter from weight loss or budget cuts.

Used widely during lean times since the early 20th century.