tweenfag
A child between the ages of 9 and 12 that acts like a teenfag.
My 11-year-old is acting like a teenfag, therefore, he must be a tweenfag.
Tweenfag
Someone of the age 9 to 12 that acts like a teenfag.
My 11-year-old is starting to act like a teenfag so he must be a tweenfag.