Methamphetamine (crank, speed). Describes the gagreflex triggered by the extreme burning sensation of the nasal passages when the drug is snorted, and the very bitter taste as it drains down the back of the throat.
Synonyms for gack
On this page, you will find 30 slang terms related to gack. Some of the top words include: gack, gilly, Goofball, Whipper, whizz, and 25 more.