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as a dog returns to his vomit, so a fool repeats his folly

Foolish people are apt to repeat their missteps. A: "I can't believe Sarah is going skiing again, after she broke her leg the last time." B: "Well, as a dog returns to his vomit, so a fool repeats his folly."
See also: dog, folly, fool, repeat, return

vomit forth

1. To eject, erupt, or discharge in a great, spewing rush. Water vomited forth from the spot where the iceberg had struck the hull of the ship. The crowd grew angrier and angrier as the speaker's hateful rhetoric continued vomiting forth.
2. To eject, erupt, or discharge something out in a great, spewing rush. In this usage, a noun or pronoun can be used between "vomit" and "forth." As the ground rumbled ominously, it vomited forth a huge jet of pitch-black crude oil into the air. When I get nervous, I can't help but vomit forth any thought going through my head. I had to pull on the blockage with my hands before the pipe finally vomited it forth.
See also: forth, vomit

vomit up

To eject something from one's stomach by vomiting. A noun or pronoun can be used between "vomit" and "up." Thankfully the dog vomited up most of the chocolate, so it didn't make him too ill. I nearly vomited my dinner up riding on that roller coaster!
See also: up, vomit

vomit something out

Fig. [for something] to spill forth a great deal of something. The volcano vomited the lava out for days. It vomited out hot lava for months.
See also: out, vomit

vomit something up

to bring up something from the stomach by vomiting. The dog vomited the chocolate cake up. Fido vomited up the rabbit.
See also: up, vomit

vomit forth

1. To be discharged forcefully and abundantly; spew or gush: The dam burst, and the floodwaters vomited forth.
2. To eject or discharge something in a gush; spew something out: The volcano vomited forth lava and ash. The belly of the ship opened and vomited the cargo forth.
See also: forth, vomit

vomit up

To eject some contents of the stomach through the mouth: I vomited up my dinner. The bird vomited the worm up for its young.
See also: up, vomit
References in periodicals archive ?
V VBd Bd NV-NBd n = 83 n = 59 n = 285 n = 743 Measure % % % % Something taken from you 21 32 22 17 Threatened, but not actually hurt 58 53 45 41 Attacked by a girl 11 20 12 8 Attacked by a boy 31 37 30 20 You threaten someone 18 25 21 13 Forced to do sexual things 25 48 29 20 Forced to have sex 12 22 11 5 * Note: V = Vomit Only; VBd = Binge-Drink and Vomit; Bd = Binge-Drink Only; NVNBd = No Vomit, No Binge-Drink Table 3.
If the H202 works its magic, your dog should vomit within two to five minutes of receiving the first dose.
The whale vomit is valuable because ambergris is used to keep perfume scents going strong, the network reported.
In addition to the cab vomit fee, the City Council passed other rules and regulations for taxi drivers and their passengers including a permanent $1 passenger fuel surcharge.
The act of vomiting is actually a reflex that is triggered by the stimulation of a vomit center in the medulla of a cat's brain.
But, the most common error is to give a child too much to drink too soon, which causes him to continue to vomit.
The board reportedly made its decision not on the basis of the testimony of Jimenez or Hewitt, but on the physical evidence and statements from several witnesses, including the emergency room doctor, the hospital's security guard, a man who saw Jimenez vomit outside the station house, and an LAPD criminalist who analyzed the evidence and DNA results.
Vomit in young children should never contain blood or brown soil-like substances.
Before climbing on board the Vomit Comet, the cast and crew swallowed a potent medication that astronauts take to keep them from losing their lunch.
The tea is so pleasing that they overindulge, vomit to rid themselves of the excess caffeine, then go about their business," he says.
NIf your child is in pain - especially if continuous or if the vomit contains blood or brown soil-like substances - call your doctor.
Some people vomit because the exercise shook their stomachs too hard.