gacking

Throwing up vigorously and loudly. It's worse than yacking.

Upon learning that she could get pregnant by swallowing sperm, she began instantly gacking on her new shoes.

by RBV and Ice February 04, 2016

gacking

When your cat gets a random huge energy burst and runs around the house jumping on stuff and knocking things over like a little shit head.

I didn't get much sleep cause my cat was gacking all night.

by Friendlytoad May 19, 2016

gacked

to be gacked is to be under the influence of methamphetemine

as in "I was so gacked last night that I took apart my vcr and cleaned it now I can't gety it back together"

by jon thomas (chipper-shredder) January 26, 2005

gacked

extremely high and lacking in cooridnation skills or natural grace. Developing temorary speech impediment or just a low volume mumble.

"Too much amphedamines and three days of sleep deprivation has got me straight gacked yo."

by Heather j November 06, 2006

gacked

An individual who is heavily under the influence of MDMA (ecstasy, caps, pills, etc.) namely characterised by their dilated pupils and gurning jaw.

Why is Jack's clenching up so hard? He's gacked as

by hellohi21 January 19, 2020

gack

Methamphetamine (crank, speed). Describes the gag reflex 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.

The character 'Pooh-Bear' in the movie "The Salton Sea" had to have his nose surgically removed because he snorted too much gack.

by Anonymous July 14, 2003

Gacked

To be under the influnce of crack or cocaine.

Dude me and my friend bumped an 8-ball last night...we got so gacked.

by *k!nG Br@nDoN* March 09, 2005