She is as smart as Einstein.
She is as smart as a dictionary.
The brownie was hard as a rock.
The brownies could break your teeth.
It took me forever to finish my math test.
It took me a million years to finish my math homework.
She is as funny as a clown.
She is as funny as a stand up comedian.
I am so thirsty I could drink a full bathtub of water.
I am so thirsty I could drink a lake.
It was so cold the penguins were shivering.
It was so cold the penguins had on sweaters.
Darren drives as fast as a rocket.
Darren drives faster than a jet.
My dog smells as bad as dirty socks.
My dog smells as bad as rotten meat.
I have a million errands to run.
I have so many errands it will take a year to finish it all.
He is as tall as a giraffe.
He is as tall as the sky.