Not all obscure, but generally not recognised when I use them, “That was 1000% inappropriate,” Funke, T, Arrested Development (very proud my daughters have appropriated this) “Proof if proof be need be,” Malahide, R, The Day Today “T, for ‘Time To Go’”, various, South Park “Skip To The End,” Bisley, T, Spaced
Always liked that one. Should be mercifully though . Dear Benson, you are so mercifully free of the ravages of intelligence.
"I don't know what you've got, but I hope they find a cure for it!" - Harrison Carter (Gale Gordon) talking to Carol Burnett in a Here's Lucy episode. (I think that line was also done on another Lucy episode as well)
Con: I recognized it immediately. Pro: anything from "Rain Man" that isn't about K-Mart or Wapner is probably obscure enough!
A friend and I at work sometimes trade off with "I don't know why everybody says you're so dumb." The other has to wait an hour or more before asking "Who says I'm dumb?". (I'll let people try to recall the reference)
Obscure quote I always use when something isn’t working for something broke... “I’m not going to be responsible for faulty engineering” - Del Griffith from Planes, Trains & Automobiles (when he broke the car seat in the rental car)