What inappropriate jokes have you told?

After the college entrance examination, I found a job in a logistics company. After a week's work, the foreman and several team leaders have a rest time, and several colleagues are chatting and joking around a big table. At that time, I didn't know if it was a short circuit in my brain or something, so I said, I'm not targeting anyone. I mean, everyone here is rubbish. In fact, this is a cold joke, but at that time, everyone didn't understand it and no one laughed. Don't mention how embarrassing it is.