A sound-producing device for producin a loud noise in support of one's team during sporting events. The sound-producing device includes an elongate tubular member having an open front end, an open back end, and a bore extending therethrough; and also includes a tubular spout being attached to and disposed through a wall of the elongate tubular member into the bore of the elongate tubular member and having an open end and a bore extending therethrough; and further includes a balloon being securely attached with a fastener to the open end of the tubular spout for holding and releasing air; and also includes an air intake valve member being disposed in the bore of the elongate tubular member to prevent release of air through the elongate tubular member; and further includes an air release member being disposed in the bore of the elongate tubular member to allow release of air through the open front end of the elongate tubular member; and also includes sound-producing flaps being opposedly and conventionally disposed in the bore of the elongate tubular member near the open front end thereof and being designed to vibrate and produce noise as air is released through the open front end of the elongate tubular member.