1:A dirty person. Someone who doesn't clean often, or lacks a certain hygiene level.Usually assocated with white trash, or trailer park trash.
2:Used as a insult to intimidate someone
Greg Marvin is such a dirtbag.
by John Lennon December 10, 2003
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Someone who is a dirt bag is usually someosomeone you don't like, hence you call him/her a "dirtbag". They are usually just one of the meanest people you could meet
Wow, Jaydens a real "Dirtbag".
by DaManUvLetters August 23, 2017
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Like teabagging, but when the teabagger has feces on his scrote.
Rob has been dirtbagging every passed out guy at the party.
by spizzike June 21, 2012
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1. A filthy bastard! To smell like ass!
2. A pervert! A porn king!
1. Gene is a dirtbag!
2. Bill is a dirtbag!
by ben-wah! April 4, 2003
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A wine connoisseur of the highest stature. One who understands the importance and pedigree of excellent dirt which will grow perfect vines. The resulting vines produce grapes which are pressed to create an elixir of the gods.
Dirtbag is often mis-understood, and should not be used in a derogative way when related to wine.
by Wine Angel September 23, 2009
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A dirty person. One who is discusting. One who commits dirty acts.
by Anal-aaa November 24, 2002
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Dirtbagging. verb. To attend and event or establishment with the general wardrobe, demeanor, attitude and behavior of a typical dirtbag.

Standard dirtbag attire includes: wifebeaters, flannel shirts, old 1980s rock band t-shirts, cut-off jean shorts or ripped pants.
Guy 1: Man, we so dirtbagged that fancy restaurant last night!
Guy 2: Really?
Guy 1: Yeah, everyone was wondering why the fuck we were there. We got super hammered on the the cheapest beer they had, too!
Guy 2: dirtbagging is so awesome.
by Royal_flush13 June 4, 2010
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