A kid who always acts above his age, such as by using big
words to make him seem older and wiser. Doesn't
act or behave like a normal kid would because he wants to act "
mature".
Timmy: Hey Philbert, you wanna join us on the swings with me and the others?
Philbert: I thank you deeply for the offer, Timmy. But I'd rather consume my
time pondering about the economy or other similar matters in our
society.
Timmy: You're such an uncle, Philbert.