Taglines! There are good ones and there are bad ones. Then there are the cheesy ones, the best ones.
"They renounced the world of men, but found that the world was not to be denied!" Black Narcissus, 1947 (http://www.youtube.com/watch?v=CZRzcLK1Ar0)
" A story of a boy, a girl and a universe ... A billion years in the making." Star Wars, 1977 (http://www.youtube.com/watch?v=9gvqpFbRKtQ)
"Johnny Cage in Ninja Mime! He's silent! He's deadly." - Mortal Kombat
"There panic in the air and terror on the ground, But for police officer John McClane... It's just another Christmas." -Die Hard 2: Die Harder (http://www.youtube.com/watch?v=gUg4gWjOgXs)
"If these guys just can stand each other, the bad guys don't stand a change." -Lethal Weapon (http://www.youtube.com/watch?v=GUorM4nTX7k)
"Now somewhere, somehow, someone's... Gonna pay." -Commando (http://www.youtube.com/watch?v=pPhISgw3I2w)
"Your mind is the scene of the crime." - Inception
"Why So Serious?" - The Dark Knight
"You can't handle the tooth." - The Tooth Fairy
"The rhythm of a Juke Box, the throb of young hearts, the storm of rebellion, beats out a story of... Untamed Youth!" -Untamed Youth (http://www.youtube.com/watch?v=lSXIUC0KxgQ)
"Unlike other classics 'West Side Story' grows younger!" -West Side Story (http://www.youtube.com/watch?v=yA_aFprGzyc)
"Love means never having to say you're sorry" -Love Story (http://www.youtube.com/watch?v=Z0F7YkdLkEQ) (I never understood why)
"He fought his first battle on the Scottish Highlands in 1536. He will fight his greatest battle on the streets of New York City in 1986. His name is Connor MacLeod. He is immortal." -Highlander
"Resistance is Futile" -Star Trek: First Contact
"Thrill-crazed space kids blasting of the flesh of humans!" -Teenagers from Outer Space (It's actually an ok film and in public domain (http://www.archive.org/details/teenagers_from_outerspace))
"Nobody does it better...thirteen times." -Octopussy
"She thought it would be just another summer vacation... But it turns out to be the time of her life." Dirty Dancing (http://www.youtube.com/watch?v=0pGGBU8qLGY)