Region: General | Usage example: The CEO had a finger in every pie during the reorganization.

A finger in every pie

Meaning

Involved in many activities to exert influence.

Used when someone meddles in numerous affairs.

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

Bakery metaphor for a hand in multiple pies.

Popularized in British English in the 19th century.