it's/they're all yours

all yours

A phrase said when one gives or relinquishes something to someone. A: "Hey, is the bathroom free?" B: "Yep, it's all yours!"
See also: all
Farlex Dictionary of Idioms.

it’s/they’re ˌall ˈyours

used when passing the responsibility for somebody/something or the use of something to another person: ‘There you are, Mr Brown,’ she said, taking him into the classroom full of children, ‘they’re all yours.’
See also: all
Farlex Partner Idioms Dictionary
See also:
  • all yours
  • got it in one
  • dump (something) in (someone's) lap
  • fight over
  • fight over (someone or something)
  • digs
  • get right on
  • get right on (something)
  • ain’t 1
  • cuz