What is Assberg?
A large clump of feces on your toilet paper when your wipe prematurely.
Man, I just wiped my ass and I had a HUGE assberg!
A person whose ass is so large it is likened to that of an iceberg, the similarity being that an iceberg has 90 percent of it's volume bellow the surface of the ocean, a person designated as an assberg has 90 percent of their body bellow their waist.
That girls ass is huge--it's an assberg!
Adjective and noun used to describe assh*le behaviour, the apparent behaviour being only 10% of what an assberg is actually capable of.
Exclamation: "Wow! What an assh*ole!"
Reply: "Yes, but that's just the tip of the assberg."