Lost My Appetite

A Stock Phrases used by characters who are just about to eat until they hear or see something in particular. Usually the thing heard or seen is something requiring Brain Bleach or Too Much Information. Can happen in cases of Alien Lunch, Foreign Queasine, Put Off Their Food, and I Ate What.

Contrast Inappropriate Hunger.

Examples:

Film

Strange Days

Max: [After seeing a dead body] Well, I've lost my appetite. [Throws food away] For about a year.

Antz

Chip: You have such a big heart. That's why you're my little cuddly-widdles.

Muffy: Oh, my big, strong pheromone factory.

[They Eskimo kiss]

Z: Oh, brother. Suddenly, I just lost my appetite.

Balto: Steele (a Siberian Husky) and Balto (a wolf-dog hybrid) are competing for the affections of Jenna (also a Siberian Husky).

Steele: Let's celebrate. I know where all the bones are buried.

Jenna: I don't know, Steele. Suddenly I've lost my appetite.

Steele: Well, maybe your taste runs more toward [short pause] wolf.

The Princess and the Cobbler

Phido the Vulture: Is this when we eat? I need to eat, I don't see any food; I'm still hungry here. [sees One-Eye] I think I just lost my appetite.

Literature

Granny Weatherwax in A Hatful of Sky spends the night sharing minds with an owl. The next morning, she declines the thought of breakfast.

Granny Weatherwax: I don't want to eat anything. The owl I was in was eating voles all night.

Tiffany Aching: Yes, but that wasn't you eating them, was it?

Granny Weatherwax: No. But if you thought you'd been eating voles all night, you'd be amazed how much you don't want to eat the next morning. Or ever again.

Live Action TV

Buffy the Vampire Slayer episode "The Wish":

The Master: [holds up a young girl] Hungry? I've lost my appetite for this one. She keeps looking at me. I'm trying to eat and she looks at me!

Arrested Development

[after being denied entrance to a high-end restaurant]

Lindsay Funke: Let's just go, I've suddenly lost my appetite.

Lucille Bluth: Oh, who's gonna believe that?

On Misfits, Nikki does this when Nathan casually shows her the bucket he has on stand-by for bathroom emergencies.
MASH: as BJ relays to Hawkeye instructions on birthing a calf via the PA system ("you may have to stick your arm in all the way to the shoulder") we see a shot of the mess tent where everybody pushes their trays away.

Newspaper Comics

There's a Garfield cartoon where Garfield is eating and Jon starts talking about the time he laughed so much, soda came out of his nose. "It felt like it was fizzing inside my brain!"

Garfield: You've just made history. I've lost my appetite.

Calvin and Hobbes: Calvin's mom offers him a jelly doughnut out of a paper sack. Calvin refuses because the jelly always comes out the far side whenever he bites into them, like a giant bug with its guts falling out. Mom glances aside as she pushes the bag away: "And my friends wonder how I stay so thin..."

Video Games

Persona 3: Akihiko says this after hearing about Strega's growing influence involving The Fall.
In Persona 4, the Main Character can tell Yosuke this just before sampling Chie's and Yukiko's curry.
In Mass Effect 2, Grunt enthusiastically tells Shepard about one of the images he saw in his tank--one of a mutilated turian. Shepard isn't quite so excited.

Shepard: I hope you have a good reason for ruining my lunch.

Western Animation

The Simpsons episode "Treehouse of Horror IX":

[Maggie's open mouth reveals a baby tooth that looks like a sharp fang]

Homer: I just lost my appetite.

Lisa: Me, too.

Homer: [grabs Lisa's bowl] Wait, mine came back.

Tiny Toon Adventures

Buster J. Bunny: Hey-a, Loon girl... any guess as what today's mystery meal is?

Shirley: Oooh, like this requires telekinetic communication, Buster. I'll have to, like, meld with the meal. Ok, it's coming. I am... I am... poultry.

Plucky: Let's do lunch.

Shirley: Ewwww, I just lost my appetite.

In the Futurama episode "A Prisoner of Benda", Amy and Hermes claim to have lost their appetite forever after seeing Fry and Leela make out in Prof. Farnsworth's and Zoidberg's bodies.
In American Dad episode "Bullocks for Stan":

Stan: This man rode me like an animal for three hours! Do you have any idea what that's like?

Hayley: (Raises eyebrow)

Stan: And now I'm not hungry.