A more hilarious way of saying "fo shizzle my nizzle", coined by Rashpocket in the hysterically funny youtube video "Rashman splice no47".
Rashman: So, what do you wanna do now bitch-nuts?
Rashpocket: I'm hungry as a nizzle
Rashman: Fo shizzle izzle
Rashpocket: For schnitzel my pretzel!!