Messerupper 

A person who messes up as in doing things considered wrong.Breaking the rules,and doing it a lot.

He was the biggest Messerupper the town had ever seen.

Messerupper by Cadcrumb March 20, 2022

Messerupper 

One who constantly does wrong things,does inappropriate things.

He was the biggest Messerupper we ever seen.

Messerupper by Cadcrumb March 20, 2022

Messerupper 

One who messes up,does the wrong thing,inappropriate choices.

He was the biggest Messerupper we knew.Always screwing up.

Messerupper by Cadcrumb March 20, 2022

messer-upper

A person that is always messing up another person's plans.

Did Devon ask Jesse if he wanted to go to the show?
No, because she is a messer-upper and she always ruins his plans.

messer-upper by Mickel Smith September 8, 2007