What is the origin of term sick to back teeth?

The term "sick to back teeth" is thought to have originated in the 19th century. It was primarily used to describe a severe or intense degree of annoyance, frustration, or disgust towards someone or something. The phrase compares feelings of extreme distaste to a physical sensation where one feels nausea and discomfort because of something they have consumed.

However, it's important to note that the exact origins of the term are not precisely documented, and there may be other theories or explanations for its development and usage.