the physical labor associated with the cultivation or picking of crops in farm fields, especially as performed by poorly paid, unskilled workers.
Origin of stoop labor
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Back-bending manual work, especially farm work. For example, They had us picking peas all day, and that's too much stoop labor. [First half of 1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.