"[Appellants'] homemade signs talked about May being mental health awareness month, one referenced the movie One Flew Over the Cuckoo's Nest and included a photograph of actor Jack Nicholson, one mentioned perimenopause and empty nest syndrome, one said '[h]ere comes da judge' around the time that Appellee had a divorce hearing .... Another sign included the language '[h]ere's looking at you kid' and contained a photo of Humphrey Bogart."