Unofficially the Worlds Loudest Cup!! After going viral on TikTok and YouTube The LoudCup is now available. The LoudCup is the ultimate companion for amplifying your excitement! This unique tumbler not only carries your favorite drink, but it's a stroke of genius in disguise! The cleverly integrated horn mechanism within the cup captures the air you blow and produces an incredible sound. The louder you blow, the more vibrant the noise!