Definitions of curt:

• adjective:   brief and to the point; effectively cut short

  Example: "A response so curt as to be almost rude"

• adjective:   marked by rude or peremptory shortness

  Example: "A curt reply"

• name:  A male given name (rare: 1 in 6666 males; popularity rank in the U.S.: #561)
• name:  A surname (very rare: popularity rank in the U.S.: #52304)