Verb

1. To have a strong bad smell.
2. To be greatly inferior; to perform badly.

   That movie stinks. I didn't even stay for the end.

3. To give an impression of dishonesty or untruth.

   Something stinks about the politician's excuses.

Noun

1. A strong bad smell.
2. A complaint or objection.

   If you don't make a stink about the problem, nothing will be done.

3. chemistry
4. A failure or unfortunate event.

   The concert was stink.