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Related to demon: Demon possession

confront (one's)/the demons

To acknowledge and attempt to understand that which causes ongoing problems in one's life, such as fears, shortcomings, psychological trauma, addiction, etc. The fight with my girlfriend forced me to confront my demons and admit that I'm an alcoholic. With the help of a therapist, I was able to confront the demons that had gripped me since childhood, thanks to toxic messaging from my troubled mother.
See also: confront, demon

like a demon

An intensifier used when one puts forth great effort to do something. I'm planning to fight like a demon against this illness, so I'm researching both Western and Eastern methods of treatment. We've been working like demons to get the update finished before the Christmas break.
See also: demon, like

speed demon

1. Someone who drives very fast in their car, especially over the legal speed limit. I used to be an awful speed demon, but I got so many tickets that I nearly lost my license. OK, I know we're running late, but there's no need to be such a speed demon. I'd rather arrive alive.
2. An athlete who runs, skates, swims, cycles, etc., very fast. The team's new running back is one hell of a speed demon. The speed demon already had eight Olympic gold medals for cycling, and he finally added a Tour de France championship to his list of accolades.
3. Someone or something that performs an action much faster than is usual. I can't believe you've already read through all these reports. You're a real speed demon! Th tablet's new CPU is a speed demon, all right, but it eats through the battery like nobody's business.
See also: demon, speed

the demon drink

slang A derogatory phrase for alcohol that emphasizes its negative effects. Woe be to any of you who fall under the spell of the demon drink.
See also: demon, drink
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

the demon ˈdrink

(British English, humorous) alcoholic drink: It was the demon drink that made me act in that way.
See also: demon, drink
Farlex Partner Idioms Dictionary © Farlex 2017

speed demon

1. n. a fast runner; a fast driver. Tom is a speed demon. He qualified for the Olympics.
2. n. a habitual user of methamphetamine. (Drugs.) When they are high, most speed demons don’t know what they are doing.
See also: demon, speed
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
Once located, players must sit in the chair next to this window and simply wait until Demon 44 makes its appearance.
"I feel like maybe I leaned on the demon too much there in the past as a crutch, and I can assure you that the man who faces Brock Lesnar at the Royal Rumble will be Finn Balor, the man," he's Tim Fiorvanti.
But in their efforts to bring the war to the demons, Arlen and Jardir have set something in motion that may prove the end of everything they hold dear--a swarm.
The demons algorithm was initially only applicable to image registration with small deformation.
As the world's leading insurance provider for enthusiast vehicles, Hagerty's coverage for the Demon will be the same guaranteed value policy that's provided to all vehicles that qualify for their program.
Critique: "My Demon's Name is Ed" is a brutally honest depiction of a disorder that changes a life forever.
Peter, the charming demon, is a nice addition, giving Cyn something to worry about other than Jules.
Surviving records describe the Sui period as one during which occult practices were especially attractive to the ruling class; the cat demon episode is but one of multiple instances involving engagement in occult arts by members of the royal house, both male and female.
Tracey added: "I wake up every morning in agony because of the demon.
She said: "Between Demon and my westie, Piper, I've paid around PS6000 in premiums over the years.
The first of the four books features, as you would expect, gods and goddesses from the ancient Greek world, otherworldly beasts and we are introduced to the main character Pandemonius, known as Demon.
which has had all nine of its heads aided by a magical metal box of cures, Demon does his best - by trial and error he learns how to tame the beasts (and how to milk unicorns) - and forms a friendship with Hephaestus, the god of blacksmithing.
Orem, UT, March 28, 2014 --( Demon United announces the signing of Beijing Jianlun Trade Development Co.,Ltd.
Ancient Egyptians believed the demon Sehaqeq, which had revolving eyes, was responsible for attacking the living, bringing piercing headaches and other serious ailments.
Mammon is not just a powerful high demon. He's all about old school demonology.