As often as not, really most of the time, I’m the one doing the quoting. It depends on the audience as to how obscure I go.
One I use when I can is in response to somebody wanting my reason for something. It’s a marvelous Brando line from One Eyed Jacks:
“Reasons? I got reasons. I got 17 hundred and 8. That’s how many days I spent rottin’ my guts out in that pen down in Sonora, pickin’ the maggots out of my heels. Don’t talk to me about reasons.” (That’s how I remember it, anyway.)
I just did it today at the end of one of my posts here at the Dope. I think it’s fairly common here, but I doubt anyone will notice mine. Well, OK, maybe now they will.
One has cropped up at work. We changed to another building and the partitions for the open plan seating are just too high to see the person sitting opposite. I guess it was set up for people on the phone a lot. So it is now a common event to say something to someone near by without realising they have left their desk.
After a suitable pause the next thing said is, “Beuller…”