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To protrude. That growth is now bulging out of your neck—you really need to get that checked. That trash bag might rip—something on this side is bulging out.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
to swell outward; to extend out into a lump or mound. The puppy's tummy bulged out, full of food. The bag of grass clippings bulged out heavily.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. To swell or protrude outward: I ate so much that my stomach was bulging out.
2. To bend or warp out of proper shape or alignment: If it gets too hot, the sides of the stove will bulge out.
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.