For me, too. 
The actual line is, “you keep using that word. I do not think it means what you think it means.”
Well, it’s not my own idiosyncrasy as much as it’s a widespread meme in France, but I’ve repeated it so often I do have a hard time not mindlessly answering any question along the lines of “where are the XXX” with “Close… in your ASS”.
ETA (from Rambo III)
This
If a friend tells a story that flops real bad, I just nod, and go, “Cool story, Hansel.” (Zoolander)
If I’m driving, and I see a police car behind me, I have to say (to an empty passenger seat, if necessary): “We’ve got company.”
^ Any specific movie?
I have 3 kids so I use THIS alot!
I can’t possibly think of them all now, of course. I’ve used probably about half of the ones mentioned above at least once.
Whenever someone mentions repression of any sort (or oppression; close enough, I say), I always find myself saying, “Help, help, I’m being repressed!” Similarly, any mention of three questions and/or crossing bridges will get a line or two from the bridge keeper scene.
Potatoes tend to set me off quoting from the Blackadder II episode of the same name. “I haven’t forgotten; it’s a rhetorical question.”
“Nah, it’s a potato.”
Blackadder is just so, so quotable, though.
Me or wife “What do you want to do tonight” MUST be followed with “Same thing we do every night, try to take over…” with “the world” often replaced by what ever is appropriate (Little League, Boy Scouts, PTA, Faculty meeting, etc.)