Moby Douche
A white guy who is such a huge douche he can sink an entire ship with his douchyness. By extension, his douchy capacities are so huge he can ruin virtually any occasion at which he is present.
Dude! Andy is such a Moby Douche even Ahab couldn't stop him.
Moby douche
A different version of moby dick that is a huge duchebag. He eats dick and sucks balls.
Hey Bill, I found a moby douche in the ocean. It appears he has a huge cock in his mouth