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

.9.This Nigga Has Been Touching My Shoulder For Thirty Three Years.9.

.9.This Nigga Has Been Touching My Shoulder For Thirty Three Years.9.

.9.This Nigga Has Been Touching My Shoulder For Thirty Three Years.9.

by .6.9.7.6.ArimorylulA.8.3.0.5. July 28, 2025

take a thirty

Take a thirty is a term used by others in Tennessee which means they’re going to take a shit 💩💩💩

Person 1: Aye, I’m gonna go take a thirty I’ll be back.
Person 2: Alright.

by MagicPizzaRoll522 May 31, 2018

the dirty seven thirty

having sex with seven men and or women at the same time

can't wait to turn the dirty seven thirty around

by Cracker Jack Jones December 29, 2010

nate-silver-thirty

(noun)

parameters and/or random noise added to a predictive model to enable the model to appear to include a wider variety of outcomes than the fundamental mechanism of the model actually includes

(verb)
to add spurious adjustable parameters and/or random noise to a predictive model to enable the model to appear to include a wider variety of outcomes than the fundamental mechanism of the model actually includes
to artificially inflate your estimate of a very unlikely event occurring to ~30% with no justification within your model, simply so you can cover your ass should the unlikely event occur, all while retaining the option to claim that you predicted, with better than 2/3rd probability, that the unlikely event would not occur.

“After realizing her model to predict economic growth didn’t include enough details, and was therefore predicting too narrow a range of possible outcomes, she nate-silver-thirty (ed) her model to get a more satisfactory appearing distribution of outcomes.”

by stats_definer August 28, 2020

Parking Thirty

One specific and unnamed individual who always takes up 3 spots with his sedan

Person 1: "I hate that old parking thirty!"

Person 55: "Don't we all?"

by two me i ak March 7, 2024

the thirty

the thirty means to stick your middle finger up at somebody
your middle finger is the third finger.. so on a football field it would be the thirty yard line..... hints the name the thirty

yo he just gave you the thirty

by izzon May 4, 2008