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Dirty Thirty

When you reach thirty years of age and are in complete denial and act like a complete reckless penis to compensate the fact your slowly dying
Oh someone clearly reached their dirty thirty
Dirty Thirty by Bm24310 January 30, 2021

Dirty Thirty

Slang term: A person's 30th year of life. Typically a 30th Birthday term representing one surpassing their 20s to enter the "dirty" part of life. Adulthood. Dirty 30 celebrations tend to be a night full of drunken debauchery. Full of bad decisions, vomit, and unnecessary semen in random places.
"Marrisa is turning 30 this year."
"Ooooh shit. Goodbye 20s. Time for a Dirty Thirty party!!! No black lights. I still have cum stains on my jeans from Stephanie's dirty 30 party last year. "
Dirty Thirty by Eww_bitch_nooooo October 13, 2021

Dirty Thirty

The Dirty Thirty (Dirty-30) is a southern colloquialism for .30-30 Winchester (.30 WCF), a popular rifle cartridge mainly used for hunting.
"Yeah brother this Dirty Thirty has taken more deer than any round ever made"

"I'm gonna have to start shitting gold if I'm gonna keep hunting with this Dirty Thirty."

Dirty Thirty’s 

Male testicles that range from the age of 30-39. These testicle tend to have problems, this is when men should get their sperm count checked and make sure they have a lively swimmers. If a male has a lack of ability to hold a woman, it must be because his balls don’t work. This is a common theme for people named Daniel. More than likely it has to to do with looks, but their testicles get saggy and sweaty throughout this 9 year period. Most women do not like a man with “Dirty 30’s”, especially those who do not get them checked out. Damage to the testicles may also expedite this process.
Person 1: Dan, you suck at dating!
Person 2: No I don’t! It’s women being women!

Person 1: Dan, it’s your dirty thirty’s! Most women and little girls don’t want that, they want Man Balls!
Dirty Thirty’s by CMBD_MD April 13, 2025

The Dirty Thirty 

Refers to the thirty seconds of free adult entertainment often offered at hotels.
Greg, Erik, Matt, and Daemon were dissapointed that The Dirty Thirty in their hotel room didn't involve any action. They later realized it was because the couple wasn't knocking boots they were making love.

Tight Dirty Thirty Balls

-T.D.T.B. A transitional state of a man’s testicals in which they no longer have the luster of youth they once had in their 20’s

-Noun: wrinkled, testicles that belong to a man 30 years or older. (more commonly referred to as T.D.T.B.)

-Balls that always seem to be sweaty and sticky
Girl 1: "So, how is Gordan in bed?"

Girl 2: " he was turning me on and all, but then I felt his Tight Dirty Thirty Balls (T.D.T.B) and I would have needed to do some blow to get on that!

I don't Have old man balls i still have T.D.T.B