Chaotic and muddled; in disarray: The whole place is in a stew about the new appointment
Angry and irritable; upset; in a sweat: Well don't get in such a stew about it(1809+)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D. Copyright (C) 2007 by HarperCollins Publishers. Cite This Source
Idioms and Phrases with in a stew
Agitated, alarmed, or anxious. For example, Mary was in a stew about how her cake was going to turn out. It is also put as
get in or into a stew, as in Every Saturday the minister got in a stew about Sunday's sermon. This expression transfers the mixture of meat and vegetables constituting a stew to overheated mixed emotions.
[ c. 1800