"We're gonna need a bigger boat." Roy Scheider in 'Jaws' as he's casually throwing chum into the water, complaining about the smell or something, and the shark jumps up, open mouthed, just a few feet from him. I think it's the first time we see the shark.

Standing outside his door, "Dan, I may be easy but I'm not stupid!" Demi Moore to Rob Lowe in 'About Last Night.' "Come in just for a minute." No. Absolutely NOT!" Quick cut to them slamming down onto a beanbag chair tearing each others clothes off.