Nee!
- The Knights Who Say “Nee!”
I scrolled through this whole thread thinking, “I finally got to it before someone took my quote!”
Alas, I was wrong…Congrats on beating me to it… 
Brendon
“Whoa!”
uttered in a surfer-dude voice
Any Keanu Reeves movie.
neidermeyer!
Bah…meant to make that in all caps…
Sh…sh…SHAAAARK!!!
FREEEEEEEDOMMMMM!!!
[Whispering]
Cobwebs!
[/w]
Pirate.
“Gosh!”
or
“Lucky!”
or
“Sweet!”
Which reminds me of an entirely different movie - Fletch 
“Precioussss!”
Post 19 applies, I’m afraid…
Just to recap:
Stella: A Streetcar Named Desire
Rosebud: Citizen Kane
Plastics: The Graduate
Khaaaaaaaaaan!!!: Star Trek: The Wrath Of Khan
Indians!: Easy Rider
brfffffffrrt: Blazing Saddles
Beuller?: Ferris Beuller’s Day Off
Thirty-seven!: Monty Python And The Holy Grail (? In MP&THG I think it was ‘I’m 37.’ He did say, ‘Man.’ though.)
** Adrian!**: Rocky
No!!!: Home Alone (? Could be a number of films.)
Her? (this one is a TV show): I don’t know.
Humbug: A Christmas Carol or Scrooge
SUPERMAN!: The Iron Giant
Waaaaayne!: Wayne’s World (?)
Hope.: I don’t know.
precioussss: Lord Of The Rings
Shane!: Uh… Shane?
Evita: Evita
Camelot: Camelot or Monty Python And The Holy Grail
Maria: I don’t know.
Anetevka: Fiddler On The Roof
Poppies: The Wizard Of Oz (?)
Crap: I don’t know.
Schwing: Wayne’s World
Hal: The only film I can think of with Hal is 2001: A Space Odyssey
Inconceivable!: The Princess Bride
Mawwiage: The Princess Bride
42: The Hitchhiker’s Guide To The Galaxy
Mousibeds: No idea.
Soap.: I don’t know.
DEATH!: I don’t know. (The Princess Bride?)
Wrong!: See above.
Nee! (or ‘Ni!’ or ‘Nih!’): Monty Python And The Holy Grail
Woah.: Bill And Ted’s Excellent Adventure (?)
Neidermeyer!: Animal House
Sh…sh…SHAAAARK!!!: Jaws
FREEEEEEEDOMMMMM!!!: I don’t know.
Cobwebs!: Drop Dead Fred
Pirate: Pirates Of The Caribbean
Gosh/Lucky/Sweet: I don’t know.
Wile E nailed it. “Whoa” was the line that got the biggest laugh when I saw the trailer for The Matrix, but really - just about any Keanu Reeves movie.
To-GA!!
Mousibeds: The Green Mile?.
FREEEEEEEDOMMMMM!!!: Braveheart
Gosh/Lucky/Sweet: Napolean Dynamite
Arrested Development
Nope. Clerks. Duh.
“Attica!”