(chiefly humorous) an issue for which the responsibility is claimed to lie with another person
2023, Mazey Eddings,The Plus One[1], Hachette UK,→ISBN:
That sounds like ayou problem, not an us problem.
2024, Annie Darling,A Change of Heart at the Vintage Dress Shop[2], Hachette UK,→ISBN:
Cress put her arm round the older woman. It was too hot for hugging but, unlike Phoebe ,she couldn't ignore a human being in pain. 'This is an us problem, not ayou problem.'