👉 Cowsucker is a slang term used in the United States for someone who is constantly talking on their cell phone, especially during calls to a babysitter or other adult. It's often associated with the concept of "cowsucking," which can be a metaphorical way to describe having too much time and energy spent on something that doesn't matter as much as it should. The term originated in the 1980s, but its usage has since evolved into a more general catchphrase