"Does it have a point system, or is it...(beat) to the death? (dramatic chord)"
The spaghetti twister. When the glass of a TV store is broken, a man enters and steals a TV. Then comes Flint's Remote Control TV, which steals a man.
"Strawberry's my favorite!"
"I HAVE A MACARONI NOODLE ON MY HEAD!"
"I ADMIRE YOUR QUIRKINESS, DUDE!!!"
When Flint's father is forced to send Flint's Killcode to the email on his phone, he has no idea how to "drag and drop", how to use a mouse, doesn't understand what a window is, and thinks "desktop" means a LITERAL desktop.
The accompanying dialogue makes it even funnier:
Flint's Dad: "That didn't do anything!"
Flint: "Of course it didn't! You know what...AAAGGGH!" (starts hitting himself with his phone)
A giant fortune cookie falls on the Great Wall of China, splits open, and reveals a large paper fortune slip. It says, "You are about to be crushed by a giant corn." Said thing promptly lands seconds later.
The ratbird carrying a kid off as soon as Flint says he's got them taken care of.
And one of the other kids almost nonchalantly yelling at him to play dead.
Later, it picks up the "world's biggest sardine" right after it escapes death and goes "Yippee!"
Sam reads the list of major cities that will be attacked by the falling food, and residents of each city are shown panicking. The list ends off with China, but the broadcast is heard in London... cue a lone Chinese guy panicking as well.
When Flint discovers snowball fights and goes overboard by breaking into a family's house, pelting them with snowballs.
During the end credits when it shows "before" and "after" shots of the various places that were destroyed by the food. Every place starts off gloomy but ends up with sparkles and rainbows. Then, a "before" shot of London being all foggy and gloomy... and then an "after" shot of London, still all foggy and gloomy.
When a young Flint's father is attempting to comfort him through the locked door:
Flint's Dad: Not every sardine is meant to swim, son.
Flint:(throwing himself on his bed)I DON'T UNDERSTAND FISHING METAPHORS!
Flint and Sam's first real meeting, wherein she kicks him in the face and - while Flint sighs over her - ogles his Spray-On Shoes, going from "What are they made of, some kind of elastic biopolymer adhesive?" to "I mean, ahah... Shiny."
After Flint makes it snow ice cream:
Sam: [...] I don't know how you're gonna top this!
Flint: Maybe with... hot fudge? Hahahahahahahaha!
During the food storm, a guy in New York complains to a hot dog vendor about not having enough mustard, and then a shower of mustard pours on him, and the vendor cracks a satisfied grin.
"Four eyes! Four eyes! You need glasses to see!"
The kids eat an ice cream snowman, and the pebbles and carrot left fall to the ground and form a sad face.
The gag with everybody in town turning around and gasping when they see the burger clouds coming over Swallow Falls.
From the trailer for the sequel: "There's a leak in the boat!" Pan over to a sentient leek, who screams.
Steve is this in general, from his obsession with gummy bears (and we know what happens with him and gummy bears) to "yellow!" and "danger, danger, danger!".
One of the tourists who comes to Chew and Swallow, without an ounce of sarcasm: "So sanitary!"
At the beginning of the book, Grandpa accidentally flips a pancake right onto his grandson Henry's head.