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1. To eject something from one's stomach by vomiting. In this usage, a noun or pronoun can be used between "vomit" and "out." Thankfully, the dog vomited out most of the chocolate, so it didn't make him too ill. I nearly vomited my dinner out after riding on that twisty roller coaster!
2. To eject, erupt, or discharge in a great, spewing rush. Water vomited out from the spot where the iceberg had struck the hull of the ship. Hateful rhetoric continued vomiting out of the speaker as he whipped the crowd into a frenzy.
3. 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 "out." As the ground rumbled ominously, it vomited out a huge stream of crude oil into the air. When I get nervous, I can't help but vomit out any random thought going through my head. I had to pull on the blockage with my hands before the pipe finally vomited it all out.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.