9 Hilarious Grown-Up Coloring Books (NSFW)

In case you didn’t have it on your calendar (and shame on you for not), August 2nd is National Coloring Book Day.  We know what you’re thinking:  “Coloring is for kids!”  Well, not anymore, especially with some of these crass titles we found!

WATCH: Spoof On Craft Beer Industry

The craft beer industry has grown by leaps and bounds within the past few years, so it was only a matter of time before people started to parody it.  (After all, that is the American way.)