stinker Definition

colloq:
1. A very difficult task, question, etc.
2a. colloq
Someone who behaves in a dishonest, cheating or otherwise unscrupulous unpleasant way;
2b. colloq
Something that is very bad or of very poor quality.
Example: got a stinker of a cold
3. Any of several kinds of smelly seabird that feed on carrion.
4. Something or someone that emits an offensive smell.