In the catbird seat
Meaning
In a very advantaged position.
Usage
Used when someone holds the upper hand.
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.
Popularised by baseball broadcaster Red Barber, who said he heard it from a poker player; it also appears in James Thurber's 1942 story.
Used in American sports and business since the 1940s.