Horse Mouth 

When too much gum shows on the top row of teeth when smiling

NEIGH. that girl has major horse mouth

Horse Mouth by skyezzz September 13, 2016

horse mouth 

An girl suffering from the affliction of coming from the English middle or upper classes. Typical characteristics include a reduced lower jaw and enough teeth to fill two normal mouths. Sufferers may also show signs of such diseases as "Being a Sociology Student".

Christ, someone get the sugar cubes, the horse mouth's braying again.

She was no bad till she smiled and her bottom jaw fucked off.. shame. Horse moothed tae fuck.

horse mouth by I_have_a_chin January 28, 2009

horse mouth 

A person, normally a girl, who is so boot ugly that she carries what looks to be a horses mouth on her face.

Damn she gots a horse mouth
She's a real horse mouth
The village bicycle has a real horsey mouth

horse mouth by Joshua Bradford- Michigan January 3, 2008

Horse mouth handshake 

The act of two girls scissoring on a man's cock until he fills each womens muff full of semen and then he watches them eat it out of eachother like an anorexic model eating saltine crackers and watches them spit on eachother till one gives up

" went to the club two hookers gave me a horse mouth handshake for quite the deal

Horse mouth handshake by cfrankyo July 6, 2015

horse mouth bitch 

yo mouth look like a horse . and yo ass talk to much like stfu sometimes nigga

" you horse mouth bitch you talk to much "
" ok and yo ass let out to much shit fat ass bitch stop eating"

horse mouth bitch by . Korvencii December 7, 2021

from the horse's mouth 

Information from the original source

The reports read were from the horse's mouth

from the horse's mouth by Jaymore November 27, 2017

(straight) from the horse's mouth

Getting information from the highest authority.

Origin:
When you get a tip for a horse race, the tip is better as nearer it is to the horse e.g. the jockey or the trainer. When you got it straight from the horse's mouth, you have it directly from the source.

This tip is foolproof, I got it (straight) from the horse's mouth!

(straight) from the horse's mouth by TheSunToucher August 12, 2009