why can ppl react to forum posts with horsey?

hey, its me again
title. there are more important reactions than horsey
(dont horsey this post)

You're digging yourself a grave, bud.

itz cuz they love horsey

horsey best

@mang0sunr1s3 said in #1:

(dont horsey this post)
Jinxed it

@mang0sunr1s3 said in #1:

hey, its me again
title. there are more important reactions than horsey
(dont horsey this post)
You sure we won't react with horsey?

What does horsey sign refers to, like what do someone mean by it when they react by that emoji on the post?

https://www.youtube.com/watch?v=GUl9_5kK9ts

@mang0sunr1s3 said in #1:

there are more important reactions than horsey

How dare you! If all the reactions were removed except for one, Horsey is the obvious choice to keep.

Horsey :D