Have you been running into this pigeon all over Facebook? This headbanging “Trash Dove” has been flooding comments sections, becoming one of the first prominent memes of 2017.So what the hell is a Trash Dove? Trash Doves are a set of Facebook stickers created by Florida artist Syd Weller. The doves made their debut on Facebook on Jan. 31, including the most popular of the bunch — a headbanging Trash Dove, or, for our purposes, Thrash Dove!Like pigeons in New York City, the Trash Doves have taken over the internet.