Giga-Mansion
A mansion nickname that's a house type that's the biggest of its kind & is bigger than a Mega-Mansion.
Buyer: So, is this the biggest Mega-Mansion on the market?
Agent: No! this isn't even a Mega-Mansion this is a Giga-Mansion it's even larger!
Agent: No! this isn't even a Mega-Mansion this is a Giga-Mansion it's even larger!