noun

• (obsolete) The husk of grain; chaff.
• (slang, mildly vulgar, uncountable) Something worthless or of poor quality; junk.
  "The long-running game show went from offering good prizes to crap in no time."
• (slang, mildly vulgar, uncountable) Nonsense; something untrue.
  "The college student boasted of completing a 10,000-word essay on Shakespeare, but that claim was utter crap."
• (slang, mildly vulgar) Feces.
  "I stepped in some dog crap that was on the sidewalk."

verb

• (mildly vulgar, slang, intransitive) To defecate.
  "That soup tasted funny, and now I need to crap."
• (mildly vulgar, slang, transitive) To defecate in or on (clothing etc.).
  "He almost crapped his pants from fright."
• (India, mildly vulgar, slang, transitive) To bullshit.
  "Don't try to crap me: I know you're lying."

adj

• (colloquial, mildly vulgar) Of poor quality.
  "I drove an old crap car for ten years before buying a new one."

intj

• (slang, mildly vulgar) Expression of worry, fear, shock, surprise, disgust, annoyance, or dismay.
  "Oh crap! The other driver's going to hit my car!"