A nitrous oxide engine is an internal combustion engine in which oxygen for burning the fuel comes from the decomposition of nitrous oxide, N₂O, rather than air. The system increases the engine's power output by allowing fuel to be burned at a higher-than-normal rate. In The Fast and the Furious, this gas is commonly referred to as "nitrous" or simply NOS.

In John Wick, he kills 77 people, but he's just getting started. In John Wick: Chapter 2, he easily tops that with a body count of 128.

Vernita tries to surprise the Bride with a pistol hidden in a box of cereal, but the Bride hurls a knife into Vernita's chest.

Jackie Chan makes an uncredited cameo appearance towards the end of Enter the Dragon in the big fight scene in the cave. Bruce Lee grabs his hair and breaks his neck.

Lola receives a frantic phone call from her boyfriend Manni, a bagman responsible for delivering 100,000 Deutschmarks, which he has lost. Manni is meeting his boss in 20 minutes and will be killed unless he has the money.

John puts a Santa hat on the corpse, sits him on a chair and uses a red permanent marker to write: "Now I have a machine gun. Ho Ho Ho."

With each murder she commits, she leaves her signature, the Cattleya flower, which is a message to her ultimate target, Don Luis, that she is coming for him.

Cage uses a Claymore mine to kill an unusually large blue alien, but dies brutally when the alien's blood dissolves him.

SHERIFF: Why would you be carrying a knife like this?
RAMBO: Hunting.
SHERIFF: Don't be a wise guy! What do you hunt with a knife?
RAMBO: Name it.

That fact that Crouching Tiger, Hidden Dragon was nominated for (and won) the Best Foreign Language Film award was kind of a given, but its nomination for Best Picture marked the first time that a martial arts movie had been recognized in that category.