Hard to pick just one...

In any order:
.
Breaker Morant
Nevada Smith
One-Eyed Jacks
The Postman Always Rings Twice (The Jack Nicholson version)
.
And yes, Harold & Maude :)

The Blues Brothers
Jaws
The Exorcist
A Christmas Story
Billy Jack
Woodstock
Buckaroo Banzai
Fargo
..........

Ferris for sure as well as Star Wars. Fast Times anyone?

Shawshenk Redemption was a little later but it really stuck as one of my fav's, along with The Fugative and Raiders of the Lost Ark series.

The plight of a single guy soberly on call this Thanksgiving, nothing open and nothing to do but clean house and watch movies. The girlfriend is at work for a couple of more hours. I had an '80's movie Thanksgiving inspired by this thread. I started with Ferris Bueller, followed by Risky Business, then Back to the Future followed by Highlander. If I am still awake Fast Times is next (good call Reg).

Happy Thanksgiving all.

American Graffiti
Jaws

Yeah!!!
 

Yeah!!!

Monty Python and the Holy Grail
Spinal Tap
Stripes
Airplane
It's a Mad Mad Mad Mad World
Raising Arizona

Wargames
Top Gun
Back to the Future

Last month I coaxed my wife into seeing them as she had not seen them before. She actually liked them!!!

The birds
Star Wars
The dirty dozen
Papillon
Escape from New York


For the late night viewer
(Behind the green door& Debbie does Dallas )

I really liked Saving Private Ryan, but it was only yesterday, so it does not qualify for not my generation?

Lonesome Dove.......made for TV but still my fave.
To Have and Have Not
Harold and Maude
Patton

Here's 3 of my very favorites, not mainstream, but well worth a look.
1. Hustle and Flow 2. The Big Night 3. Y Tu Mama Tambien and one more for
good measure 4. The Girl in the Cafe

A lot of great choices made.....but no one yet mentions....

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My generation, Apocalypse Now.....
One I identify with Grosse Point Blank

When I was 16: The Godfather
When I was 19: Russ Meyer's Super Vixens
When I was 20: The Grateful Dead Movie
When I was 21: A Clockwork Orange
Now:
Monty Python and the Holy Grail
The Emperor's New Groove

Defined my generation: Full Metal Jacket

Second adolescence: Fight Club

Die hard
Empire strikes back
Goonies
Red dawn
1941
Back to the future
Friday the 13th
Halloween

As a kid.... Herbie movies. In college, Animal House and TopGun.

But my all time favorite has to be Smoky and the Bandit.

Groundhog day