Is thinking you have hypochondria the first symptom of hypochondria?
Is spam the e-mail equivalent of nicky-nicky-nine-doors?
Any questions that keep you up at night?
Yes.
What the hell is nicky-nicky-nine-doors?
1). No.
2). No, if nicky-nicky-nine-doors is the same as ding dong ditch.
Oh, great!
Now what the hell is “ding dong dutch”?
Augh, what are you people doing to me? As if I don’t have enough to think about already.
I imagine it is, judging from the name. It’s ringing the doorbell and running away.
So perhaps I should have called this thread Burning Rhetorical Questions, no?
Whew! What a load off my mind.
:: strolls off happily, humming “I can see clearly now, the rain is gone …” ::
Does anal retentive have a hyphen?
A hyphen? Lord no, it’s got a colon.
Remember, you can’t spell Analysis without A-N-A-L.
Egad, man! You should be banned for that pun.
My favourite, from Bloom County:
Did Adam and Eve have belly buttons?
Well you can just rock me to sleep tonight!
If our bodies are designed for functional use, why do men have nipples?
Hyphen waiting for someone to say that all afternoon.
Yeah, and for that matter, why do we have back hair??
Hmmmm…
Why is there something rather than nothing?
Discuss
…And since there is a word for it, isn’t nothing something?
Epo: Because if there were nothing, we wouldn’t be here to ask the question, so we wouldn’t know about it.
Why Do they call it landing gear instead of lifting-off gear?
Will the human race eventually destroy itself?
What is the matrix? 
How much wood could a woodchuck chuck if a woodchuck could chuck wood?
How many licks does it take to get to the tootsie roll center of a tootsie pop?
Who’s on first?
Where’s the beef?