f'shizzle my n'izzle
A word made by kids in the city to say they totally agree, but now it's just a joke because everyone uses it now.
Yo, I just passed my math test, f'shizzle my n'izzle.
He just stole my lunch, f'shizzle my n'izzle.
I just got kicked out of class, f'shizzle my n'izzle.