The Dirties font here refers to the font used in the poster of The Dirties, which is a Canadian independent movie that follows the lives of two high school friends who are harassed by a group of bullies and then they devise plans to get back at them.
The font used for the movie title in the poster is probably Helvetica Condensed Bold. More details about it can be found here.
Download Helvetica Font
The Helvetica font identified above is not available for free, please follow the link above and purchase a font license to download and use the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.