What you could call a non-binary parent, "Maddy" a mixture or Mom and Daddy
Little Timmy: Hey maddy! Can you help me with something?
Willow : Ofcourse I can! What do you need help with?
Little Timmy: I need help getting rid of a dead body.
Willow: Oh, just go feed it to the pigs.
Little Timmy: Ok! Thank you maddy!