Persons ranging from age 26-48 who behave in a manner unbecoming of their particular age group.
That woman who bullied a child to death through a false myspace account, causing the child to commit suicide is 1) certifiably insane and 2) are teenage adult.
Any person from age 26-48 who willingly stars in a reality t.v. program is teenage adult.
9 out of 10 politicians in D.C. and news pundits regularly engage in teenage adult like behavior.
Any woman who doesn't know who the father of their child is and still expects child support = teenage adult.