Movie scenes that I love:
Joe Dirt: When Joe Dirt can't understand why the firework stand only has sparklers and snakes and he lists off 30 or so different kinds of fireworks that it should have.
Happy Gilmore: When Happy fights Bob Barker
related to this:
The Firm: When Tom Cruise kicks the crap out of Wilford Brimley
Hudsucker Proxy: When Tim Robbins is first introduced to Hudsucker Inc. (049583475783--that is your work ID #, it will not be repeated...)and also when the Hula-hoop becomes an epidemic.
Dirty Rotten Scoundrels: When Michael Cain says he is Dr. Emil Schaufhausen and attempts to cure Steve Martin's paralysis
The Pacifier: When Vin Diesel rescues the production of The Sound of Music and volunteers to direct.
Bill & Teds: When they play 20 questions and the first guess is: "Is it a tank?" and it's right.
Elf: When Will Ferrel mistakes Miles Finch as an elf. And when he learns that Santa is coming to the store.