Two movies scenes I always remember:
"Pecker": main character (Pecker) gets a new Nikon gifted to him and while unboxing it, he pulls the lens cap off, tosses it away with a disdainful scowl like "what the crap is that for?" (great movie highly recommended)
"Valley Girl": Dad (stoned) prepares to photograph daughter going to prom with her date and is setting up the shot, "Dad... Dad.... Dad...." dad looks through camera and it's dark. He then realizes the point of his daughter's prodding. "Ye ol' lens cap..." he says while smiling and removing the lenscap to take the shot.
To this day, if I go to take a photo and the lens cap is on, I say "ye ol' lenscap" with a smile as I remove it. I don't think anyone else in the world gets the reference but that's ok.
I love my tamron caps looking at up at me from my lightware bag- knowing the L glass under them...