Related:

• Bad Thing n. [very common; from the 1930 Sellar &
  Yeatman parody "1066 And All That"] Something that can't possibly result in improvement of the subject....
• Good Thing: n.,adj. Often capitalized; always pronounced as if capitalized.
  1. Self-evidently wonderful to anyone in a position to notice...
• Good Thing n.,adj. [very common; often capitalized
  always pronounced as if capitalized.] 1. Self-evidently wonderful to anyone in a position to notice...
• Wrong Thing: n. A design, action, or decision that is clearly incorrect or inappropriate.
  Often capitalized; always emphasized in speech as if capitalized....
• Right Thing: n. That which is *compellingly* the correct or appropriate thing to use, do, say, etc.
  Often capitalized, always emphasized in speech as though capitalized....
• Bad and Wrong adj. [Durham, UK] Said of something that is both badly designed and wrongly executed.
  This common term is the prototype of, and is used by contrast with, three less common terms - Bad and Right (a kludge, something ugly but functional)...
• ap door: alt. `trapdoor' n. 1. Syn. {back door} --- a {Bad Thing}.
  2. [techspeak] A `trap-door function' is one which is easy to compute but very difficult to compute the inverse of....
• In life there is but one bad thing and one good; both of them are women.
• Wrong Thing n. A design, action, or decision that is clearly incorrect or inappropriate.
  Often capitalized; always emphasized in speech as if capitalized....