To expel something by vomiting. Oh great, the cat just barfed up a hairball.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
To eject some contents of the stomach by vomiting: He barfed up his dinner because the food was spoiled. She was so sick she was even barfing soup up.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.