Here's why:
* Historical Context: This phrase originates from the Southern United States in the days of cotton farming.
* Hard Work: Picking cotton, especially from tall plants, was physically demanding and often done by enslaved people.
* Sign of Success: A farmer with a field of "high cotton" (tall, healthy cotton plants) indicated a good harvest and financial success.
Therefore, saying someone is "chopping high cotton" implies they are experiencing a period of good fortune and achievement, much like a successful cotton farmer.
It's important to note that while the phrase itself is not inherently offensive, its historical connection to slavery can make it uncomfortable for some people. It's always good to be mindful of the context and audience when using this expression.