galopagus - A thing so big it could probably beat up your dad and still

A thing so big it could probably beat up your dad and still have time to take a nap.

That truck is a galopagus. It blocked the whole road like it was on a mission from the devil.

The amount of snacks I ate was a galopagus. I think I gained a whole new friend.

His forehead is a galopagus. It looks like it could knock out a whole army.