A disease which primarily afflicts altos, causing them to stop being roped into boring harmonies that you can't even hear over the sopranos and start singing with the tenors, usually better and with more power. Despite being a disease, it is often considered a blessing to those with true tenor ranges who are being held down by the man and/or traditional gender roles.

When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.