Etymology From Choctaw itibapishili (“(he or she is a) sibling, friend; (we) nursed together”), from itibapishi (“sibling, friend, one who was nursed together with (someone)”), from iti (“each other”) (compare Creek eta (“the same; oneself; in compounds: joined, two, each other”)) + iba (“with”) + pishi (“suckle”) (compare Creek pese, epese (“(her) breast”)). The English term was first used in print in 1962 in Faulkner's The Reivers.
He kissed her cheek. She could feel for herself how cold and sweaty her skin was. 'Lucy you darling bobbasheely,' he coaxed her, 'there's nothing for you to be afraid of. Nothing! It's the naturalest thing in the world. And I love you, there's no question about that.'1990, Graham Masterton, Empress, page 96
bobbasheely
verb
Etymology From Choctaw itibapishili (“(he or she is a) sibling, friend; (we) nursed together”), from itibapishi (“sibling, friend, one who was nursed together with (someone)”), from iti (“each other”) (compare Creek eta (“the same; oneself; in compounds: joined, two, each other”)) + iba (“with”) + pishi (“suckle”) (compare Creek pese, epese (“(her) breast”)). The English term was first used in print in 1962 in Faulkner's The Reivers.