be (one's) pigeon



be (one's) pigeon

To be one's area of expertise or responsibility. Primarily heard in UK, Australia. I can't approve expense reports, but Betty can—that's her pigeon.
See also: pigeon

Common Names:

NameGenderPronouncedUsage
Aldegund-Ancient Germanic
Breanabree-AN-ə, bree-AHN-əEnglish (Modern)
Ceadda-Anglo-Saxon
Sebastiano-Italian
Arne[a:n]
Ditte-Danish