Don't screw a gift horse in the mouth is akin to the time honored phrase "don't look a gift horse in the mouth" which basically means don't be critical of gifts or people might not want to give you things in future.
by bhnicfh August 26, 2011
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Pixar Mouth

A type of over-exaggerated and cringe way of lip syncing traditionally seen on tiktok.
"Did you see Maddies tiktok? She's got such bad pixar mouth it makes me want to vomit"
by Uncle Skrunkus November 20, 2023
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Dart mouth BellaDonna

When a woman gives a man a blow job with a mouth filled with darts. which will result in the man having punctures in his penis and the woman having a mouth full of blood. great for all y'all vampire nuts out there
"hey baby want a Dart mouth BellaDonna?"
by ZeroUndecided December 14, 2011
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hot pocket mouth

Mouth burns from biting into a Hot Pocket.
I had a serious case of hot pocket mouth after biting into that hot pocket.
by Actuarius81 October 23, 2020
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Smash Mouthing

The act of giving or receiving a blowjob while watching Shrek.
by Kosan October 08, 2022
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grave mouth

When you eat something in extreme flavour, whether that be sour or spice, and it has little to no effect to you.
Noah: That is so sour!

Shayne: No it's not

Noah: I mean I guess you have grave mouth.
by TruestBlu November 14, 2023
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Mouth queef

The act of air leaving your mouth with a audible noise
After chugging a liter of cola I felt the urge to mouth queef.
by Xanthern November 20, 2018
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