What is "smushed"

Usage examples of "smushed".

My outfit got smushed and Dad and I arrived late to the dinner because I had to iron everything.

And Grandma scooped up a wad of cake and icing and smushed it into my mothers face.

I didn't want to trash Ranger's apartment, and the shoes were coated with chocolate milkshake and some smushed cheeseburger.