bobby

noun
  1. 1

    A police officer.

  2. 2

    A railway signaller.

noun
  1. 1

    A penis.

  2. 2

    Cocaine.

  3. 3

    A calf that is slaughtered in its first month, usually because it has no dam or because it is undersized or otherwise defective.

  4. 4

    A banana that is extra small in size.

Source: https://en.wiktionary.org/wiki/bobby