bolk

/B OW1 L K/
verb
  1. 1

    To belch.

  2. 2

    To vomit; retch.

  3. 3

    To heave.

  4. 4

    To gush out.

  5. 5

    To belch out; give vent to; ejaculate.

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