A responsibility which really should be somebody else's, but which has been "offered" to you as an "opportunity" in a way that you can't refuse, effectively dumping their responsibility on you but pretending that it's for your benefit. The difference between a standard dump and a dump horse, however, is that -- despite the total lack of altruism on the part of the dumper -- the dump horse actually does benefit you, and you truly can turn it into an opportunity.
"This presentation was supposed to be Joe's, not mine, but it gives me the opportunity to really shine in front of the CEO, so I won't look a dump horse in the mouth."
by ArsCerebri December 3, 2013

by THE ASIAN JESUS March 1, 2019

Friend#1 dude you okay? I keep hearing you yell from the other room.
Friend#2 Oh hey man, I mean I guess so (Sigh) this dude keeps invading my team in destiny's game mode Gambit. we totally got Horsed! We couldn't even get out of spawn he just kept getting drop kicking us to the bottom of the score board & then he messaging us Get Horsed with Horse emojis.
Friend#1 wow that's Rough buddy.
Friend#2 Oh hey man, I mean I guess so (Sigh) this dude keeps invading my team in destiny's game mode Gambit. we totally got Horsed! We couldn't even get out of spawn he just kept getting drop kicking us to the bottom of the score board & then he messaging us Get Horsed with Horse emojis.
Friend#1 wow that's Rough buddy.
by SOLACE_CAT March 13, 2021

An artistic, time consuming way of excreting faeces. Inspired by the way glass-blowers make animals out of hot molten glass.
"What are some special skills of yours?"
"I can Make a horse I'll show you."
"you do that too? You're hired"
"I can Make a horse I'll show you."
"you do that too? You're hired"
by 182-90210 February 18, 2011

Chigga 1: Herro i just fucked my pet horse
Chigga 2: Da Faq U Horse Humper
Chigga 1: Not my fault -A-
Chigga 2: Da Faq U Horse Humper
Chigga 1: Not my fault -A-
by Not-a-rabbitfucker October 24, 2020

The name given to a person that looks like a chicken and sounds like a horse when they run. Also my best friend even though he acts like we're not.
Be my friend Flappy Horse.
I know you know I know you.
Don't ignore me Flappy Horse.
I know your actual name.
I know you know I know you.
Don't ignore me Flappy Horse.
I know your actual name.
by KG.628 January 26, 2017

This is an internet slang that describes girls with high waist or pelvic section.
Girls that have their “asses” (buttocks) higher than normal are usually termed “ARGENTINA HORSE”
Girls that have their “asses” (buttocks) higher than normal are usually termed “ARGENTINA HORSE”
by Omegah September 10, 2020
