Best riddles

Never trust this fellow’s grin. His teeth are sharp and course, his blood’s as cold as icicles, and he’ll show no remorse! What is it?

This is as light as a feather, yet no man can hold it for long. What am I?

Of no use to one, yet absolute bliss to two. The small boy gets it for nothing. The young man has to lie or work for it. The old man has to buy it. The baby’s right, the lover’s privilege, the hypocrite’s mask. To the young girl, faith; To the married woman, hope; To the old maid, charity. What am I?

This old one runs forever, but never moves at all. He has not lungs nor throat, but still a mighty roaring call. What is it?

You are driving a car on one big stormy night. You pass a bus station. There are three people who are waiting for the bus: One old sick lady who is dying, One doctor who saved your life before, and one lady who is someone you have been dreaming to be with. You can only take one passenger, which one will you choose?

What bird can lift the most?

What kind of soda must you not drink?

You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board, I'm often described like a mop. What am I?

How do you prevent a summer cold?

What do you call a calf after it's six months old?