Findings:
- Getting the wind knocked out of you
- Knock knock who's there oh it's you
- I knocked on the massive door, and came one step closer to knowing what I didn't know before.
- I got the feeling the Fairy Council was mad at me when the president knocked over her coffee to get a better grip on my neck
- It's a Hard Knock Life for a Cosmic Horror Cultist
- opportunity only knocks once
- The world will knock you on your ass. Are you ready for that?
- I call, but I never talk. I knock, but I never enter. I feel a bit insecure.
- A knock there was upon the door
- The last knock?
- Who knocks within?
- Rot Knocks
- P Knock (user)
- Indymedia sites knocked off the net by the FBI
- The Vampire Always Knocks in Triplicate
- engine knock
- Perverts are people too!
- I Think I'm a Pervert, But I'm Totally Over It
- Perverted by Language
- Gentleman pervert
- Despite being surrounded by perverts, I manage to have a great time
- Once a philosopher, twice a pervert
- Preaching to the Perverted
- General sexuality newsgroup
- Knock Sensor
- Pervert's Row
- Chicken Soup for the Pervert Soul
- Face it, we're all a bunch of perverts
- thinking pervert
- pervert
- Knock it off
- Knock over
- Don't knock it if you haven't tried it
- If an Agent Knocks - Federal Investigators and Your Rights
- Knock on the Door
- Ask, Seek, Knock
- Knock down ginger
- Darth Everything meets Death who has just knocked on his front door
- Knock yourself out
- Front tooth knocked out!
- that old Philip Glass knock knock joke
- Three Knock Down Rule
- Knock off
- Knock down
- Divinity School of Hard Knocks
- knock out
- School of Hard Knocks
- Knock On Wood
- Opportunity Knocks
- Knock Yokoyama
- The World's Worst Knock Knock Jokes
- knock up
- Who Knocks?
- Postman's Knock
- All his front teeth knocked out, living a nightmare
- The last man on Earth sat alone in a room. There was a knock on the door.
- I get knocked down, but I get up again
- Celebrity knock knock jokes
- knock
- push or knock
- knock kneed
- The knock
- Technical knock out
- Don't knock the glock
- Waiting for the knock
- gene knockout
- knocked up
If you Log in you could create a "knock it off, perverts!" node. If you don't already have an account, you can register here.