oafspring
The kid you get when an oaf has a baby and the baby looks like it was born in a dumpster.
My kid is an oafspring. He trips over his own feet and still thinks he's cool.
That kid is an oafspring. He eats a whole pizza and still manages to spill it on his shirt.
My niece is an oafspring. She walked into a wall and didn’t even flinch.