Be somebody’s pigeon
idiom
To be someone's responsibility or problem.
Fixing this computer is not my pigeon; it's Peter's pigeon because he is part of the IT team.

Often appears as...
- not my pigeon
- your pigeon
Usage tips
Colloquial
idiom
To be especially suitable for someone.
Cooking is definitely Mary's pigeon; she loves it and is very good at it.

Often appears as...
- cooking is her pigeon
- music is his pigeon
Usage tips
Colloquial
idiom
To be someone's responsibility or problem.
Fixing this computer is not my pigeon; it's Peter's pigeon because he is part of the IT team.

Often appears as...
- not my pigeon
- your pigeon
Usage tips
Colloquial
idiom
To be especially suitable for someone.
Cooking is definitely Mary's pigeon; she loves it and is very good at it.

Often appears as...
- cooking is her pigeon
- music is his pigeon
Usage tips
Colloquial
Definition 1 of 2

Informal Use
It's casual language; use it with friends, not in formal settings like job interviews.

I can't help with the move - that's Jim's pigeon.
Avoid Blaming
It's to state responsibility, not to blame someone harshly for a problem.

I can't cover her shift. That's her pigeon, not mine.
Clarifying Tasks
Use it to clarify who should handle a task without ambiguity or confusion.

Organizing the meeting agenda is definitely Sarah's pigeon.
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