to the gills 

Maximum experience or excitement. Over the top or exceeding moderation.

The race car is built to the gills.

to the gills by mministerGW3 July 26, 2017

gacked to the gills 

Obscenely high on any substance.

My boy Tommy is always gacked to the gills on some substance or another. That fool's crazy!

gacked to the gills by Quailsareneat December 30, 2011

doped to the gills 

Incomparably drugged-up; nearly catatonic

Jolanda got some painkillers the size of walnuts after her back surgery, so she's doped to the gills right now.

doped to the gills by T.., May 5, 2006

Juiced to the gills 

A person who uses copious amounts of Performance Enhancing Drugs to improve their athletic performance or physical appearance.

Ricky: ‘Hey Sean, look who that is over there!’
Sean: ‘Holy shit Ricky, thats Ronnie Coleman, he’s still juiced to the gills!’

Juiced to the gills by Big SL January 20, 2021

Hung to the Gills 

The way a person might describe the way they feel the morning after a long night of heavy drinking.

Nate: "Way too many drinks last night, eh meets?"
Meets: "Ya know shit, I am hung to the gills."

Hung to the Gills by ndenny170000 January 25, 2011

stoned to the gills 

being under the influence of a drug that's so profoundly altering your state of mind that you literally have no idea what's going on or who you are. Usually associated with hallucinogens such as LSD (Acid), Psilocybin (Shrooms), PCP, DXM, and Salvia.

Man, you were stoned to the gills last night after eating that ounce of shrooms.

stoned to the gills by fatwhem January 14, 2007

pigged to the gills

To be so drunk you don't know your own name or anyone else's around you. Totally shitfaced fucked up to where you can't feel your face.

Wow was Clayton drunk last night! He was absolutely fucking pigged to the gills!!!!

pigged to the gills by Murdock 69 October 3, 2015