#2: Blockbuster

"Since 'Jaws' slashed its way into box-office history [in the summer of 1975], moviegoers are sure to see at least one son of 'Jaws.' Other signs of Hollywood's pursuit of the surefire blockbuster are the earth shaking sums being spent on spectacles ..." — Robert Lindsey, The New York Times, May 30, 1976

The word blockbuster was originally applied to a World War II-era bomb so powerful it could flatten an entire city block. It came to mean "something notably successful, large, or extravagant" – in particular the expensive, high-grossing, "popcorn movies" that transformed Hollywood in the '70s.