That can only be The Godfather.
The movie leaves out some of the key back story for that scene–they had filmed it, but it was lost in the need to cut hours off of the running time.
To augment my earlier “Hieneken???”…
ear
Blue Velvet
Mashed potatoes
Indeed.
EDIT:
“Close Encounters of the Third Kind”?
Correct. I wondered how many people would think “Animal House”
Strawberries
“Pancakes, pancakes, PANCAKES!!!”
Correct - the question mark at the end was to evoke the hesitancy in that specific scene.
The Caine Mutiny
You’re good, you
Petals
It’s a Wonderful Life
twenty-two
This one has at least two answers.
Wonderful life, wrong answer 
Yes.
And: yes.
New:
(Probably both rather easy for this crowd. If we were to do classic ‘chick flicks’ it would be harder, but then I don’t know that many to reference.)
One of them is Casablanca.
Yes! Any guesses as to the other?
“outFIT!!!”
Well, to me, it recalls a Benny Hill sketch, but this thread is about movies, so I doubt if that was the one you meant.
Now that one all on its own would be Reservoir Dogs (yuck)
Good point.
Probably a stretch, here: bear-trap
Will require the following hint - it was the most Chekovian device imaginable - yep, placed right above the ole fireplace.
Your body part word made me think of one:
Leg