A list of Movie Rules from Roger Ebert's Movie Glossary. This is - assuredly - not the whole list, which is gigantic. I don't really care if these are funny to you. They were to me. There were quite a few more amusing ones.
Anti-Anti-Auto Theft Device
Any actor can start any car by pulling any two wires from under the dash and touching them together to make them spark. This not only starts the car but it also defeats the steering columns locking mechanism.
Breathing Corpse Syndrome
No one in the movies or on television has ever looked convincingly dead, a condition much harder to fake than an orgasm.
As viewed from North America, the sun rises from the Atlantic at an angle up and to the right, and sets into the Pacific at a corresponding angle down and to the right. Lazy California directors fake an East Coast sunrise by filming a California sunset and running it backward, though this causes the sun to rise up and to the left.
Clean air duct principle
Whenever the protagonist attempts to sneak through a secure building ("Die Hard," "The Simpsons"), the air ducts are always clean and dust free, never coated with dust bunnies or causing so much as a sneeze.
Dead for Sure, No Doubt About It
In a movie, the absolute proof of the death of a character is when blood drips slowly from the corner of the mouth. This is in too many movies to document. An interesting variation was the dripping of liquid metal from the evil mutant's mouth in "X-Men 2." As a physician, I can tell you that blood coming from the mouth after a fight is either, 1) a sign of a communication of the esophagus with a major blood vessel, which would be fatal, or 2) a cut
Hot Tub Rules
If a hot tub is seen in a movie, people will take their clothes off and get in it. If the women have large breasts, it's a T&A movie. If the women have small breasts, it's a drama or a foreign film. If the women keep their underwear on, it's a coming-of-age movie. If it's a slasher movie or a thriller, there will be an electrical appliance located nearby.
Mutations for the Entire Family
A movie mutant action hero will only mutate in ways that won't interfere with a PG-13 film rating. Example: Spider-Man shoots web out of his wrists. Real spiders shoot web out of their butts.
Generic Drinker Syndrome
Characters in movies always order "beer." As a bartender, I have observed that no one ever just orders "beer." They always call their beer. Movie characters frequently take a small sip and then leave without finishing their drinks, or paying for them (occasionally one character will throw some uncounted bills on the table). In real life, people suddenly called away from the bar take time to upend their glass and greedily suck down whatever is left.
Watch Your Step Rule
Suicides always choose the ledge with the pigeon.
The End of the Rainbow
17 hours ago