Definitions by BoxedCheri

step-up mom 

A mother figure to a child that is not married to the father.

A mother figure that stepped-up to the plate.

This is my dad and step-up mom, they take care of me.

step-up mom by BoxedCheri February 16, 2017

step-up dad 

A father figure to a child that is not married to the mother.

A father figure that stepped-up to the plate.

This is my mom and step-up dad, they take care of me.

step-up dad by BoxedCheri February 16, 2017

step-up parent

A mother or father figure to a child that is not married to the childs parent.

A mother or father figure that stepped-up to the plate.

I'm here to pick up my son from the nurses office, I'm his step-up parent.

step-up parent by BoxedCheri February 16, 2017