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. "

by Eww_bitch_nooooo October 13, 2021

Dirty thirty

When a person reaches the age of thirty and uses promiscuity to try and convince people that he and or she was not a prude.

She doesn’t want anyone to know that she’s just a dirty thirty.

by Hardcore art September 01, 2019

dirty thirty

a girl who has slept with 30 people

did you hear about hear? her body count finally reached 30. she’s hit the dirty thirty

by randompig December 27, 2017

Dirty Thirty

Having a quicky on your lunch break

On my lunch break I’m gonna go to Subway and hopefully get a dirty thirty with Janice.

by Your New Stepdad August 02, 2019

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

by Bm24310 January 30, 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."

by ActuallyRealDonaldTrump December 11, 2022

Cunt-Thirty

The time when specific bitchy, rude, or plainly inconsiderate people, like to show their true colors

"Why is she yelling at the cashier like that?! It's not her fault that the price changed"

"I don't know, it must be Cunt-Thirty"

by Mister Popsicle Stick September 15, 2020