dirtback

The after effects of debris (mud / dirt) on riding gear (primarily on their backs) after a long day of dirtbike riding.

I saw 4 dirtbacks climbing a very steep hill on their dirtbikes.

by Mike Hoss March 30, 2010

DirtySack

A guy that doesn't clean his .....
Testicles
Balls
Nuts
Nutsack

...Therefore has a "DirtySack"

Mike : "Lick mah balls"

Jane lykes : "Fuck off, i am not licking that dirtysack"

Mike : "lol, k"

by Ivor Hardon January 14, 2008

dirtback day

Three days out of the week put aside for extreme dirtbaggy problems. Days are usually Monday, Tuesday and Thursday. Continue until a significance in dirtbaggy problems is achieved.

Happy Dirtback Day! Every Mon, Tues and Thurs.

by Dirtbackinator September 21, 2015

dirtymack

To speak negative about, or slander ones charecter (and,or) reputation. By making up false accusations based on lies, jeliousy,envey, and hate.

My friensds nasty girl friend has tried to ruen are friendship by dirtymacking me and others.

by "MILLION$IN05" September 22, 2005

dirtback riding

Referring to the dirty back participants revive while having intercourse in a forest or field.

Dude, I can't wait to go dirtback riding with my girlfriend tonight

by Zabe sexler November 23, 2015

dirtback

Low-class, trailer trash fuckhead.

Goddam dirtback, your mangy pit bull shat on my lawn again!

by Octopod November 8, 2003

DirtySack

Sacks that are dirty

“My sack is dirty from last night”

You have the case of the DirtySacks”

by PussySlayer604 May 3, 2018