(slang) Crystal meth. / (slang) Powder cocaine.

(intransitive) To make a sharp, sudden sound in one's throat, such as before vomiting or while coughing, gagging, etc. / (intransitive) To vomit, throw up. / (transitive) To cough something up.

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

(often repeated several times) 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.

(of a bird) To call in response to disturbance.

present participle of gack

Third-person singular simple present indicative form of gack

simple past tense and past participle of gack

A surname. / A town in North Dakota.