1
general::
Phrase(s): fling up
Sl. to empty one’s stomach; to vomit. • I was afraid I was going to fling up. • Who flung up on the sidewalk?, Phrase(s): 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.
McGrawhill's American Idioms And Phrasal Verbs