What is the meaning of Gack?

A sharp, sudden sound from someone's throat while they're coughing, vomiting, gagging, etc.

An expression of disgust or disapproval.

An expression of trepidation.

To make a sharp, sudden sound in one's throat, such as before vomiting or while coughing, gagging, etc.

To do something that causes a sharp, sudden sound in one's throat.

  1. To vomit, throw up.
  2. To cough something up.
  3. To choke (be unable to breathe because of obstruction of the windpipe)
  4. To choke (experience tightness in one's throat as a result of strong emotion)

To vomit, throw up.

To cough something up.

To choke (be unable to breathe because of obstruction of the windpipe)

To choke (experience tightness in one's throat as a result of strong emotion)

Crystal meth.

Powder cocaine.

The sound of a bird's call in response to disturbance.

To call in response to disturbance.

singular imperative of

Source: wiktionary.org