Abt

noun
  1. A surname of German origin, often used as a family name. noun
    The renowned composer Franz Abt was known for his choral music.
    Abt is a common surname in parts of Germany.
  2. An abbreviation for 'about', often used in informal communication, especially in text messages or online chats. abbreviation
    I'm abt to leave the house now.
    What are you talking abt?