DALLAS (CBSDFW.COM) – While a 12-year-old student recorded with her cell phone, her teacher delivered a nearly 7-minute profanity-laced lecture.

“If you don’t give a f***, then I don’t give a f***. If you don’t give a f***, then I don’t give a f*** ,” said the teacher at DISD’s Holmes Middle School.

“I’m gonna tell you the truth, you f***ed it up,” he continued.

The 6th grade student played the recording for her mother after school on Monday.

“I was really upset. I was really, really, really upset,” said Diana, who asked that her last name not be used.

For Diana, the foul language isn’t the worst part.

“The whole profanity, cussing… it was all disturbing but the most disturbing part was the end of the video… where he talks about his private parts,” she said.

“Some people’s d***, they only go that far…,” said the teacher. “My d*** goes all the way to that fence.

Students laughed as the teacher continued.

“I’m gonna show you…I’m gonna show you what… I’m gonna show you what a d*** is. I’m gonna d*** you’re a** over.”

“I don’t know if they were laughing because they were nervous or uncomfortable, because some kids do that, but I didn’t think it was funny at all,” said Diana.

Diana says she took the recording to the principal Tuesday morning, but wasn’t satisfied with the reaction.

“She asked me to delete the video, not to have the video in my phone, not to do anything with it,” said Diana.

But Diana didn’t delete it.

Takaila Moss, who is also 12 years old, says she’s heard the same teacher curse before.

“He’ll say the B word. He he’ll say… sometimes nasty words… and the A word and the MF word,” said Moss.

Now Diana wants him gone.

“I want him out and not to be at any school.”

DISD issued the following statement about the incident and the teacher: “It has come to our attention that one of our teachers may have spoken to students using inappropriate language, tone and behavior during a class recently. That staff member has been placed on administrative leave.”