macrocranialism
A problem where your head is so big, it makes your brain look like it’s on vacation. And you might be a little slow, or really strong if you’re dumb enough to use it.
His head is so big, it takes up the whole bus. And he still doesn’t know how to read a bus schedule.
She’s got a head like a balloon. And she still doesn’t know how to blow it up properly.
He walks in like he’s the king of the head. His head is so big, it makes the ceiling look tiny.