Sign HumorBy joderd / March 9, 2013 Looks like I need to start a collection of sign humor…maybe even canine sign humor. If these two households were neighbors, would they get along? Gotta love it! The Colorado example: Beware of Dog. Boulder County, Colorado, 2011 And the other from Arizona: No Pooping. Tucson, Arizona, 2013 Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Related