the area code of yuba city, olivehurst, roseville,wheatland, other small cities in that area as well in northern california.
dude 1: im straight outta tha dirty five thirty nukkuh
dude 2: what?
dude 1: yuba city, fag
dude 2: oh
dude 1: youre hecka gay
dude 2: what?
dude 1: yuba city, fag
dude 2: oh
dude 1: youre hecka gay
by Matt__X May 5, 2006

area code 530 in nor-cal that extends from davis (yolo county) all the way to yuba city. mostly made up of small towns and farmland. next door neighbors of the yay area.
by nor-cal girl September 7, 2006

A dirty 5 thirty is a act based out of northern california that involves stealing your mothers grocery money to buy meth.
by Landing man November 29, 2015

by randompig December 26, 2017

Having a quicky on your lunch break
by Your New Stepdad August 2, 2019

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!
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!
by CMBD_MD April 13, 2025

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
by Bm24310 January 30, 2021
