down with something

be down with (something)

1. To be in agreement with, in support of, have interest in, or thoroughly enjoy some subject, activity, or thing. I am so down with math, it's my favorite subject in school! Yeah, I'm down with seeing a movie later this evening.
2. To be on friendly terms with or enjoy the company of somebody. I'm down with Cathy, we just had a small disagreement is all. I'm just not down with John, I think he's kind of a jerk sometimes.
3. To be ill or have caught some disease. (More often expressed as "come down with something.") Marigold had to go home early today. I think she's down with the flu.
See also: down

down with (someone or something)

A phrase used to emphasize one's opposition to someone or something, especially that the offending person or thing be removed or eliminated. It wasn't long before all the students were chanting, "Down with homework!"
See also: down
Farlex Dictionary of Idioms.

down with somebody/something!

shouted as a protest against somebody/something: Down with the dictator!
See also: down, somebody
Farlex Partner Idioms Dictionary

down with something

1. mod. comfortable with something; comfortable. (Usually with get.) Let’s get down with some good music.
2. mod. ill with something; sick in bed with something. I was down with the flu for two weeks.
See also: down, something
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • be down with (something)
  • not stand the sight of (someone or something)
  • a head-scratcher
  • be beat
  • a (real) gas
  • (as) black as ink
  • be ripped to shreds
  • be sick of (something)
  • confirm in
  • confirmed
References in classic literature
I always heard he was a most excellent man; and you know, my dear, we are not to suppose but what, if you had had a suitable fortune, he would have come down with something more, for I am sure he must be a most liberal-minded man."
Northanger Abbey
Prince Otto looked down with something of a grim smile at the bright, square labyrinths of the lamp-lit city below him.
The Wisdom Of Father Brown
Participants in en masse events "come down with something" after partaking of packed meals.
Food catering
Phil Jauncey, Speaking exclusively, he said, "At first, one thinks that they are merely run down or are just 'coming down with something. But as the symptoms persevere, often emotional negativity sets in because of lack of clarity, which in turn leads to self-doubt".
Fatigue disorders are hard to be diagnosed, says Australian sports psychologist
What you don't want is to slow the economy down with something unnecessary, but on the other side of the coin that doesn't mean banks shouldn't be held to account for poor behaviour.
ANZ chair calls for tougher regulations for New Zealand's commercial banks
Cooling down with something cold isn't very effective because your internal temperature is cooled too rapidly, and your body ends up compensating by raising your temperature.
I'VE HEARD THAT eating spicy foods helps beat the heat
From the tests we've done since the race it looks as though he may be in the early stages of going down with something. I'm not saying that's the explanation for his performance but it could be.
Tests could find reason for Grands blowout; LAST WEEKEND
I'm reaching out to expats who have come to the UAE in search of a better life but have been struck down with something I like to call MIES (Massively inflated Ego Syndrome) without even knowing it.
Ego-warrior on mission to wipe out MIES..
"He came down with something maybe and it certainly affected him, some sort of sickness.
Boaz is a doubt after bad bout of sickness; TEAM NEWS
"I've had to stay overnight in hospital when they thought I was coming down with something because my immune system is down.
Man finds disgusting tooth in Tesco yogurt; pounds 15 VOUCHERS OFFERED TO CANCER PATIENT AN 'INSULT'
I THINK I'm coming down with something. It's a rare condition, Latin name Clarksonus Defendus.
Top jeers for Jez's ex-wife
Robert Walton saw the little girl looking "worn out, and ill, as if she was coming down with something."
Battered tot looked worn out, court told
So many times I've come down with something after having a period of poor sleep.
MYHEALTH; LILIAN BARKER IS 33 AND LIVES IN CARDIFF. SHE IS CO-FOUNDER OF NATURAL SKINCARE COMPANY FAIRFIELD GARDENS
Apparently viewers will see the moment she complained of feeling unwell as she lay down on a row of chairs saying: "I am definitely coming down with something."
X Factor to show Cheryl Cole's malaria collapse
Even so, Cold-fx is the only remedy we found with any evidence that it might improve your chances of getting through the cold and flu season without coming down with something.
Un-catching colds: do popular remedies work?