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slang To vomit. Geez, I thought I was going to fling up on that boat—I felt so seasick!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
fling something up (in something)
to throw one's arms or hands up in an expression of some emotion, such as despair, horror, disgust, resignation. She flung her hands up in despair. She flung up her hands and cried out for help.
Sl. to empty one's stomach; to vomit. I was afraid I was going to fling up. Who flung up on the sidewalk?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
in. to empty one’s stomach; to vomit. I was afraid I was going to fling up.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.