When you get screwed over in a transactional sense.
I thought I did good negotiating my car lease, but I missed some fine print and the salesman totally pdiddled my ass with the end of lease buy out terms.
When creating a bowel movement so hard and long that it hits the bottom of the bowl and the remaining length of it sticks straight out of the water. When flushed it swirls around like the dasher handle of an old fashioned butter churn as used by the Pennsylvania dutch.
That last cup of coffee knocked loose a Pennsylvania dasher so long it could have been a broom handle.