Lines you'll never catch FIM characters saying.

[KatieBelle 302]

Anypony: BUCK YOU!

Pinkie: CALM THE BUCK DOWN!

[Classic Play 232]

Discord: Things are too crazy here.

Twilight: I quit being the Princess of Friendship!

Rainbow Dash: I really do fart rainbows...

Rarity: A nice pair of khakis will fit this day!

Fluttershy: I'm taking a trip into The Everfree Forest!

Applejack: She really does fart rainbows...

Pinkie Pie: Pork steak!? (as opposed to her line "cupcake!?")

Applebloom: Time to do nothing today!

Sweetie Belle: (I got nothing for Sweetie Belle)

Scootaloo: I want to fart rainbows, just like Rainbow Dash!

Celestia: I have a nephew named Prince Blue Blood. (That's right, cause she never announces him ever.)

Luna: I had a bad dream!

 

I'll stop there. I had to cover all the main ponies and Discord.

[Buzz 1,769]

Spike: Well, time to be useful.

Big Mac: Hello (seriously, he has never said that (as himself at-least))

Rainbow Dash: I love Sorin

[Castle Bleck 19,167]

Quibble: "The original Daring Do trilogy is boring."

Edited August 2, 2016 by A.V.

[Starflite527 24]

Celestia: "I'll handle this."

Zecora: any sentence that ends with "orange"

 

Actually, I would like to see that.

[Classic Play 232]

Celestia: "I'll handle this."

Zecora: any sentence that ends with "orange"

 

Actually, I would like to see that.

Lol, you should read the comic. They constantly poke fun at Zecora's rhyming nature. Sometimes, she doesn't even rhyme and it's pretty funny.

 

Also, more lines:

 

Twilight: "I like my messy room."

Rainbow Dash: "I think I'll go for a slow, casual stroll today."

[Soaring Symphony 372]

Fluttershy: the whole world must burn in the fires of Tartarus while everypony begs for mercy but nopony gives a flying f**k about them.

 

Also, literally every FIM character ever: 

Edited August 3, 2016 by Soaring Symphony

[Kyo Sunbringer 11]

Celestia: Neigh! Whinny!

Luna: I'm bored of night-time.

Twilight: I don't want to be an Alicorn anymore.

Changeling from Wedding: Wish I was home doing things bug-ponies do.

[Denim&Venöm 16,507]

Twilight (S1-4): Sorry for returning the library books late. 

Spike: Anypony got any matches? 

Rarity: This establishment is clothing optional!

RD: Maybe I should slow things down.

Shy: Sorry, this isn't a no kill shelter. 

AJ: Hey Appleloom, play some of that Blackened Death Metal would ya? 

Pinkie Pie: I'll have the oatmeal one!

[Classic Play 232]

Fluttershy: "I just realized, I was performing in front of a very large crowd at the Equestria Games. So, why was I so nervous to sing for the Pony Tones?"

[Kyo Sunbringer 11]

Luna: "I haven't even realized that my actions were literally going to cause more death than good out of sheer jealousy of my sister."

 

Spike: "I'm gonna live with Lyra."

 

Applejack: "HADOUKEN!", "SHORYUKEN!", "TATSUMAKI SENPUKYAKU!"

 

Celestia: "I'm irrelevant now!"

[Kagami-sama 319]

"Testicles, that is all" - Peter Griffon

[Classic Play 232]

((I'm already having too much fun with this thread))

 

Twilight: "Welp, it's time to go to the Crystal Empire for royal duties. I think I'll fly this time." *flies off for a few seconds, till she thinks she's out of sight, then goes into the Everfree Forest*

 

Lyra: "Woah, I have a full episode all about me!"

[Singe 2,109]

Twilight Sparkle: Ponies GO! *Teen Titans fighting music plays.*

 

Berry Punch: You can call me FlankenBerry.

 

Applejack: If magic doesn't work, we can use my guns.

 

Twilight Sparkle: Spike, now back in your cage.

 

Rarity: Then you put it in there to stop the bleeding.

Sunset Shimmer: I am shocked.

 

Flash Sentry: Here you go Twilight.

Twilight Sparkle: Uh...thanks creep I mean Flash.

Edited August 6, 2016 by Singe

[Ziggy + Angel + Rain 11,298]

Snails: *Something intelligent.*

[Singe 2,109]

Applejack: Your speech about friendship and community is great but maybe you can tone down the commie socialism aspect.

 

Rainbow Dash: Why am I the element of loyalty? Does this mean I have to be Twilight's slave? Yes, Master Twilight. Anything you say master. Of course master, I am at your disposal. Use me anyway you see fit master.

 

Rarity: Generosity is overrated.

 

Sunset Shimmer: Let's all go on stage and take off our shirts.

 

Spike: I broke a tooth on this diamond.

 

Applejack: One way or another this all ends by rope.

[Classic Play 232]

Twilight: "Ah get your bloody rope, then!"

Applejack: "I will get my bloody rope." (I will brohoof the first pony to get this reference, lol)

 

 

Rarity: I don't want to be Sapphire Shores' designer, anymore.

[FullmoonDagger 200]

*RD drops object on hoof*

 

RD: HOT BELGIAN WAFFLES!! Wait, I'm alone, I can swear for real. *deep breath* SON OF A...

Is that from Gravity Falls?

[Lightning Pixel 34]

Fluttershy swear... Shish,she sayed it already... Umm...
Pinkie Pie: Expert logic.
Rainbow Dash: I don't want to be a wonderbolt.
Applejack: I hate my family.
That's all my imagination XD

[Classic Play 232]

Twilight: I have too many friends.

Pinkie Pie: I had a dream once, where I was a pegasus! And and, everypony kept called me Surprise!

Rainbow Dash: I'll let you win this time.

[Singe 2,109]

Apple Bloom: So who are you going to ask to help build your cart?

Scootaloo: None other than Optimus Prime. 

Sweetie Belle: Isn't he way too big?

Scootaloo: I'm sure he can transform to fit like Sound Wave.

Apple Bloom: Well I'm going to ask Road Block to help.

Scootaloo: Oh, I love his rhymes.

Sweetie Belle: Well I'm going to ask Twilight Sparkle.

Apple Bloom: Good call, instant win on any ribbon you're aiming for.

 

Applejack: Our great uncle Apple Billy invented this game.

*Cut to past.*
Apple Billy: Oh right, so you all know the rules. No zebras and no griffons.

Group: Aye!

 

Spike: Rarity spit shined my gems.

 

Cheerilee: I don't get paid enough to deal with you brats.

 

Snips: Miss Cheerilee, I don't want to learn.

Cheerilee: That's fine. I can flunk you and your parents can tear off your hide when you get home.

Snips: I...I... changed my mind

Cheerilee: That's good. Now sit in the corner wearing this cone saying "Stupid" so your peers can ridicule you for wasting our time.

Edited August 13, 2016 by Singe

[Luminance 2,181]

DJ Pon3- perhaps anything at all.

[OmegaBeamOfficial 622]

OK, I'm gonna have a crack at this... Let's see...

 

Pinkie Pie: I love to see everypony FROWN!

Applejack: This apple bucking is doing a number on my hooves!

Rarity: I'll just go out with nothing on to the Gala.

Fluttershy: Come on Angel, into the spiky death pit of no return!

Rainbow Dash: Sweet! Now I can ditch my friends and live in the desert with a Daring Do book the rest of my life!

Twilight: I hate books! Spike, burn down the... Oh, wait.

[Castle Bleck 19,167]

Nightmare Moon: "I need to get a suntan."

[Singe 2,109]

Celestia: I need to remind each of you that this is very top secret information that I'm going to divulge. If any of you reveal this information to anyone else, the punishment will be the loss of your tongue.

Mane 6: Oh.

Rainbow Dash: Hear that Pinkie, looks like you'll have to keep your yap shut or chop no more sweets.

Pinkie Pie: O_o;