These days, Oklahoma State coach Mike Gundy is viewed as the awkward, fun-loving guy who has captivated the college football world with his new-look mullet.

But it hasn’t always been about laughs, questionable hair styles and wearing wrestling singlets to work for Gundy. No, there was a time when the Cowboys head coach gave the local media a brutal tongue-lashing during a press conference.

10 years ago, Gundy made famous the phrase, “I’m a man! I’m 40!”

In case you forgot about the epic rant, you can relive that amazing 2007 moment:

Hard to believe that was a decade ago.

the video is less than four minutes long but one that will forever be known as one of the greatest rants in the history of college football.