Terminator 2: Judgement Day
During the Terminator 2, there’s a point where it only noted that Schwarzenegger looked beaten up, “looks like he needs a vacation.” However, it was all Schwarzenegger who decided to add in the line, “I need a vacation.” Everyone thought it was hysterical, and there you have it!
The Jazz Singer
This 1927 film is regarded as one of the best films ever. I mean, it was revolutionary, being the first feature-length talkie! Anyway, the lead Al Jolson came up with his famous line on the spot. He says, “Wait a minute, wait a minute, you ain’t heard nothin’ yet!”