Texas prisoners took part in the rodeo that came to their town every year. So a common retort to let another prisoner know they had been imprisoned for a few years and were not hearing anything new was, “this ain’t my first rodeo”.
“I know that, Dude. This ain’t (is not) my first rodeo. Rodeo, a way to mark the number of years one has been imprisoned in the Texas Prison System. Not my first rodeo.
by OldTimes May 19, 2020