In this scene, one of my favorites from Frank Capra's "It Happened One Night," Peter Warne (Clark Gable) teaches Ellie Andrews (Claudette Colbert) how to hitchhike. As an "expert," he humorously shows her three different styles of using the thumb to get a ride, but then he fails miserably in practice with all three. After his defeat, Ellie decides to show him how to really get a ride, so she reveals her leg to passers-by, one of whom stops immediately and skids to a halt in his excitement.
Please watch this hilarious, memorable scene with me now.
*watch it from the beginning to the 2:36 mark*