i r spartracoos - A loud, obnoxious shout you yell when you're feeling extra c

A loud, obnoxious shout you yell when you're feeling extra cocky and you're probably about to get in trouble.

I r spartracoos! I just threw my math test in the trash!

I r spartracoos! I'm gonna beat my brother at Mario Kart and he'll cry!

I r spartracoos! I'm gonna tell my teacher my dog ate my homework!