1) Noun: A person, place, or thing that at first glance seems terrible; but upon closer inspection is quite exceptional.
2) Verb: utterly destroy; esp. if something of exquisite value is hidden in the rubble.
1) Noun: That car's a lemon. A meyer lemon.
2) Verb: The plan was to meyer the building, unaware of the secret Delacroix paintings stashed in the basement.