Big infant whines

I'm all grown up, and just to prove the fact
I'll tell on you, I'll tell on you to Dad!
I'm sure that'll make you sorry, just a tad,
but I'm not big on common sense or tact.
I know I'm always right, I've got the exact
answer every time, and how that makes you mad!
I'm telling father on you, just be glad
he's not in the kind of mood to have you racked.
I'm all grown up, I'm a real bitch and all,
I've got my work published in a real magazine,
I know I'm better, I've got the big award
given out by the truckloads, I am your downfall.
I'm the real thing, you're faker than margarine,
I'll annoy you and annoy you till I get bored.