Findings:

• knocking a person down
• one thing just tears him down
• Watership Down
• dumbing down
• The Lamb Lies Down On Broadway
• Down By Law
• Boogie Down Productions
• down
• upside down
• go down
• down quark
• Two Atoms Walking down the Street
• throw down
• first down
• settle down
• shut down
• dumbed down
• comma comma down doobie do down down
• Down's Syndrome
• Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start
• Batten down the hatches!
• kick down
• Xiu Xiu : The Sent Down Girl
• shot down
• going down
• Trompe
• Looking down through the leaves
• go down in history
• Play it down
• Break it down
• averaging down
• If it's yellow, let it mellow. If it's brown, flush it down
• Down To This
• On the down low
• Chop down
• Flag down
• Down East Delight
• Down Under
• Down Under Snowball
• I break myself down
• Cutting down all the trees
• sit down
• Down, not across
• down the road
• May your only son strike you down
• Broken Down Golf Cart
• Knock down
• System of a Down
• Like kicking dead whales down the beach
• Blow Down
• Fall down go boom
• The Devil Went Down to Georgia
• That icky feeling when a client calls with a downed server and you have no clue how to fix it
• What to do when your car breaks down
• coming down
• heads down
• snarf down
• down on one knee
• The Matrix is going down for a reboot in 5 minutes: all users, please save your data and log out
• Falling Down
• get right down to it
• taking down the advertising industry from the inside
• Slashdot is down
• Whistle Down the Wind
• I can't find my feeding tube
• Down in one
• Don't let the bastards grind you down
• watered down
• Take Me Down
• Knuckle down
• Rolling Down to Old Maui
• Turning text upside down
• thumbs down
• Down and Out in Paris and London
• 3 Doors Down
• come down
• You're laughing now, but I'm voting this sucka down
• The Bog Down In The Valley
• Daffy Down Dilly
• London Bridge is Falling Down
• dress down
• Trickle-down economics
• Windows is now shutting down
• Looking Up & Down
• Shuddering like ice has been dumped down your pants
• I can't stand up for falling down
• Plan for bringing down corporate fast food chains
• Why I like my old car that always breaks down
• Gravity really gets me down
• down in the quarry there is no noise
• The Devil Went Down to Cambridge
• put down
• Why mirrors reverse left and right, but not up and down
• Burning Down
• You'd better sit down
• The World Turned Upside Down
• Knock down ginger
• But seriously, a tragic thing happened down the street
• looked down upon
• hand me downs
• In the bathtub or on the bed, looking down
• Down By The Bay
• Down to Earth
• This is not a wine for drinking. This is a wine for laying down and avoiding.
• This program has performed an illegal operation and will be shut down
• Down Rodeo
• Can't talk. Coming down.
• Blood River Down
• Blow me down!
• Further Down the Spiral
• Sit Down, Shut up & Hang On!
• broken down submarines
• Dropped down, pulled out
• Let it out, break it down
• the worm crawling down my monitor
• Pimps Up, Ho's Down
• I am giving you every opportunity to let me down
• Cut down on alcohol
• Ashes, Ashes, we all fall down
• Shut down Napster, not Metallica
• Why it's important to slow down in construction zones
• punch down
• The nail that sticks up gets hammered down
• The hand you hold is the hand that holds you down
• Water goes down the drain the same way in Australia
• Walter goes down the drain the same way in Australia
• Cruising down Otay, jacked up on Benadryl
• Deep Down
• I come to you, defenses down
• Down in It
• Tie Me Kangaroo Down, Sport
• Way Down on Street Level
• This will go down on your permanent record
• I felt a need for some excitement tonight, so I drove up and down random streets yelling "I am one with the flying cows!" at regular intervals
• Staring down babies
• simmer down
• You can't chop a tree down with your head
• Don't slow down
• I secretly admire Cruella De Vil. PETA will be kicking down my door any second.
• Tear Down the Wall
• Wayside School is Falling Down
• down in the dumps
• Star of the County Down
• Down Home Blues
• I'm Down
• talk myself down
• Turd Flop Down M'leg (user)
• wind come on down
• Strutting down the street
• Never Let Me Down Again
• push it down
• My Wang never goes down
• Wish I Was in Heaven Sitting Down
• Whacking down pears with my prick
• Put your head down and your ass in the air
• turn that frown upside down
• Shutting Down
• The Rescuers Down Under
• down the drain
• Tearing it Down
• I'm out; I'm free. Down here the night air is purple. What do I do with it all?
• Nobody Knows You When You're Down and Out
• Somewhere Down the Crazy River
• As the towel begins to slide down your body
• Phoenix Down
• Lay me down in this long grass

If you Log in you could create a "knocking him down" node. If you don't already have an account, you can register here.