la caca
Big penis and big poo poo is when you're so full of both you look like a f***ing meatball with a side of craps.
My friend has 'big penis and big poo poo' and he looks like a hot dog with extra toppings.
I tried to do 'big penis and big poo poo' and I just looked like a mess.
My dad has 'big penis and big poo poo' and it's terrifying.