Does anybody want to compile all the titles so far, so we can avoid repetition?
late to the party, so forgive me if this is a repeat,
Dr Strangelove, or how I learned to stop worrying and love the erection.
I’m gonna do just that, and e-mail it to my buddies that were playing this game.
Dueling erections again! 
Teahouse of the August Erection
Hitchcock:
The Farmer’s Erection
Juno and the Erection
Erection 17
The 39 Erections (couldn’t search)
Jamaica Erection
Shadow of an Erection
I can’t stop, I’ve lost all self-control!
The Fast and the Furious: Tokyo Erection
Bedknobs and Erections
The Erection: Carrie 2
The Last Erection of Christ (that one may be a repeat)
The Effect of Gamma Rays on Man-in-the-Moon Erections
If It’s Tuesday, It Must Be Erection
The Erection That Saved Pittsburgh
A quick, probably not accurate count of the posts so far reveal the most OCD afflicted, Erection obsessed posters to be
Myself, Bubastis with 125 Erections
With Otto and 5-4 Fighting tied at 105 Erections each.
Again, this may not be accurate, please don’t hold me to the erection.
The Erecton on Carroll Street
Erectionstarter
An Erection Too Far
His Erection Friday
Killer Erections from Outer Space
Erection Park
Single White Erection
Erections Women Want
Erection Driver
If we pair “erection” with single word title movies, we would wind up with Titanic Erection. 
Although there were a couple of other “Harry Potter” ones, I can’t believe I’m first with Harry Potter and the Sorcerer’s Erection.
“Tell me Harry,” said Dumbledore, “do you like movies about gladiators?”
Just out of curiosity, if I offer two variations on the same title do I get credit for both?
The Courtship of Eddie’s Erection or The Erection of Eddie’s Father
Flower Drum Erection
The Tin Erection
The Prince and the Erection or The Erection and the Showgirl
What’s New, Erection?
The Sixth Erection or The Erection Sense
Eating Out 2: Sloppy Erections
I know, let’s do Judy Garland!
The Big Erection or The Erection Revue
The Erection of Jack and Jill
La Erection de Santa Barbara
Erection Parade or Pigskin Erection
Broadway Erection of 1938
Erections Don’t Cry
Listen, Erection or Erection, Darling
Erections in Arms
Andy Hardy Meets Erection
Strike Up the Erection
Little Nellie Erection
Erections on Broadway
For Me and My Erection
Erections Cheer
Presenting Lily Erection
Erection Crazy
The Harvey Erections or The Erection Girls
Erection Follies
'Till the Erections Roll By
Words and Erections or Erections and Music
Erection Parade
In the Good Old Erection
Erection Stock
Erection at Nuremberg
And her unfinished films:
The Erections of Broadway
Annie Get Your Erection
Royal Erection
Valley of the Erections or Erection of the Dolls
I’m sure that here in the UK it had the full title. In the same way that the first Harry Potter film is called The Philosopher’s Erection 
.
Disney Classics:
The Sword in the Erection
Old Erection
That bit from Fantasia called The Sorcerers Erection
Erections and Broomsticks
The Wind in the Erection
Erection the Pooh
The Erection King
The Great Mouse Erection
The Erection before Christmas
And of course, the current tween craze; High School Erection.
A few more for luck (and because there’s gold in them thar obscurer movies)
The Little Erection That Could
Daddy’s Little Erection and the New Baby
His Little Erection Was With Him All the Time
Dead Erection Walking
The Hudsucker Erection
The Erection That Roared
20,000 Leagues Under the Erection or 20,000 Erections Under the Sea
Journey to the Center of the Erection or Journey to the Erection of the Earth
Beneath the Erection of the Apes
Escape From the Erection of the Apes
Conquest of the Erection of the Apes
Battle for the Erection of the Apes
From the Vin Diesel thread;
Find Me Erection (as in, Tally Me Banana)
Also, in a horror mode;
Erection Snaps
Three Erections and a Baby (ew)
The Men and a Little Erection
Erection Pocus
Erection Madness
Children of a Lesser Erection
The Erections Must Be Crazy
My Beautiful Erection
My Left Erection
Das Erection
Crocodile Erection
The Ox-Bow Erection
Erections on a Train
Man on the Erection or Erection on the Moon
Amazon Women on the Erection
House of 1000 Erections or Erection of 1000 Corpses
Women on the verge of a nervous erection.
Four pages? Really?
Schwarzenegger films:
Terminator 3: Rise of the Erection (2003) (way to easy)
Erection Damage (2002)
Erection of Days (1999)
Erection & Robin (1997)
Erection All the Way (1996)
True Erection (1994)
Last Action Erection (1993)
Terminator 2: Erection Day (1991)
Total Erection (1990)
Erection Heat (1988)
The Running Erection (1987)
Raw Erection (1986)
Red Erection (1985)
The Erection (1984)
Erection the Destroyer (1984)
Conan the Erection (1982)
Erection Hunt (1979)
Erection in New York (1970)
We may be slightly immature here; I don’t know if you’ve noticed that.