Meaning

• (mildly) Of very poor quality; unpleasant; distasteful.

  "That is such a crappy car."

• (mildly, especially with "feel") Bad, sick, or depressed.

  "I'm feeling really crappy - I think I need some fresh air."

• (mildly) Covered in crap (faeces/feces).

  "Put the crappy diapers in the blue pail and the wet ones in the yellow pail."