A finger in every pie
Meaning
Involved in many activities to exert influence.
Usage
Used when someone meddles in numerous affairs.
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.
Bakery metaphor for a hand in multiple pies.
Popularized in British English in the 19th century.