[1894+; said to be fr the arrangement of a threshing crew, where the chief would superintend the grain itself, and the second the straw; perhaps fr Dutch stroodekkerbaas]
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 straw boss
A subordinate boss, a worker who supervises other workers as well as performing regular duties. For example, Jim was pleased when he was promoted to straw boss. This term alludes to the person's position as a
straw man, that is, a front or cover for the real boss and of only nominal importance.
[ Late 1800s