Tater

A term used to describe anything, usually a person, that that performs a task incorrectly or is insufficient in their efforts as a result of laziness or incompetence.

I told you to get off the couch and take out the trash. You are such a tater.

Tater

Any animal or thing, usually a person, which performs a task insufficiently or incorrectly with an obvious lack of competence

I told you to vacuum the floor, but all you did was make it worse. You’re a tater.