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To swell or expand in size or to cause something to expand or swell. My hand puffed out after the bee stung me. Some male birds puff out their colorful plumage to try to attract a mate.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
puff something out
to cause something to swell out or expand outward. The frog puffed its throat out and croaked. The frog puffed out its throat and croaked a mighty croak.
to swell out. The frog's throat puffed out, and we expected to hear a croak. The sail puffed out, and the boat began to move.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. To extend, stretch, or swell, by or as if by being filled: The sails puffed out as the breeze strengthened.
2. To cause something to extend, stretch, or swell outward: The wind puffed out the sheets that were hanging on the clothesline. Male birds will puff their chests out to appear larger.
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.