What's at least 6 inches long, goes in your mouth, and is more fun if it vibrates?

Answer: A toothbrush. Come on.

More Riddles for Adults with answers

More Riddles for Adults

WYISDERSOMENIMORORSIZASIZDENDERISORSIZ? What does this say?
You have me today, Tomorrow you'll have more; As your time passes, I'm not easy to store; I don't take up space, But I'm only in one place; I am what you saw, But not what you see. What am I?
A certain crime is punishable if attempted but not punishable if committed. What is it?
A headless man had a letter to write; It was read by a man who had lost his sight. The dumb repeated it word for word, And deaf was he who listened and heard. What is it?
A man is discovered dead sitting at his desk, alone in the locked office. He did not commit suicide and there was no weapons in the room. The only clue is a sealed envelope on the desk in front of him. How did he die?
First I am dried, then I am wet; The longer I swim, the more taste you get. What am I?
He has married many women, but has never been married. Who is he?
I am a box that holds keys without locks, yet they can unlock your soul. What am I?
I am slim and tall, Many find me desirable and appealing. They touch me and I give a false good feeling. Once I shine in splendor, But only once and then no more. For many I am "to die for". What am I?
I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost everybody. What am I?
I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business. What am I?
I like to be blue and have been since '63, but I could be anything if my circuit was fixed. I'm small yet infinitely bigger. I was grown but I'm made of metal. I am the last of my kind just like my beautiful idiot once was. Together we will travel, have traveled or are traveling. Tenses as seen, seeing, will see, are mysterious to me. Wibblies and wobblies, time correctly described by a Lord. What will I be, what have I been, or is it, what am I?