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When there is an ugly girl standing between two guys.
Look at that dirt burger over there.
by womoii February 01, 2010
A term for a burger that in made with either Vegetable protein, soy/tofu or grains AKA Boca or Gardenburger
Pammy doen't like going the Burgerama because they do not serve Dirt Burgers.
by bigg3469 May 26, 2009
An unhealthy burger from a takeaway or pizza shop that somehow resembles something edible and tasty when drunk, but to the sober eye is blatently pure evil and not fit for human consumption!
Kerry: Joe, I fancy a dirt burger on the way home.
Sue (who is nicknamed Joe but is actually called Sue): Ooooh good plan batman. Garlic mayo or chilli dressing??
Kerry: Definately garlic mayo.
Sue: Hmmm, garlic mayo makes the best dirt burger.
by susiesusiesue January 26, 2010