The origin of this word is from the hit NBC TV show Bonanza a western series that ran from September 12, 1959 to January 16, 1973.
Dan Blocker – Eric "Hoss" Cartwright was a featured character and his demeanor and attitude was a kind and gentle soul for a really big guy. So now it has been used as a term of endearment of Brotherhood or Respect to a fellow person weather they are familiar with the person or not.
1. Clerk - "Hey how's it goin?"

Customer *friendly what's up head gesture* - "I'm doin' alright Hoss, How you been?"

2. Sibling - "Hey Hoss can you grab me another soda? Since you're heading back to the kitchen?"

3. Pauly Shore - "He's gonna need a lot of food stamps ... Eh there Hoss?!" *hocks a loogey sound* {Son-In-Law}
by Bigsnacks710 September 14, 2013
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A southern colloquial nickname for partner, a term of friendship.
You betta' get that grass mowed, hoss.
by halide April 18, 2003
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Alternative forms: hawss
Etymology: Variant of horse.
Noun: hoss (countable and uncountable, plural hosses)

1.(Southern US, slang) Pronunciation spelling of horse.
2.(Southern US, slang) A big, strong and respected or dependable person, usually a man; one who is large like a horse.
3.(Southern US, slang, often capitalized) Term of address for a man.
4.(Northwestern US, slang) A car.

Synonyms:
(man): Cy-dogg, dude, man, brother, guy, bub, homie, boss, friend.

Gained in popularity as a term of endearment, brotherhood or respect, after the hit NBC TV show “Bonanza” a western series that ran from September 12, 1959 to January 16, 1973.

Dan Blocker – Eric "Hoss" Cartwright a featured character of a dull witted gregarious large man with a kind and gentle demeanor, who was friendly towards everyone i.e. a Gentle Giant.
What up, Hoss? How’s it going?”

“Good to see you Hoss, it’s been a minute.”
by Cy-dogg December 29, 2021
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A very strong man that would fight a grizzle bear with his bare hands, but yet is a very kinda loving person at the same time. He is very smart and can fix anything. Born in cassopolis Michigan
That big ol boy is a hoss,
by Tatstacker December 12, 2020
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Several meanings:
Means your a fucking unit
Means you fucking own shit and get bitches
-Jared Watson
God damn this guys is a fucking hoss
by Jared Watson November 7, 2019
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A hoss is a level higher than a boss. In other words, the guy who gives orders for others to give orders in order to give other people orders and so on and so forth. If you are a hoss, you are a level one beneath God. A hoss is pretty much a divine, or glorious, bad ass mother fucker.
George Washington was a hoss as he whooped Englands ass and lead America into a state of supreme glory. (boss) (bad ass Mofo) (leader) (winner) (overlord)
by Hammy the Glorious May 31, 2011
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Commonly used by Norfolk school children and some cretins to mean "let's go!"
Becky: "Its cold, lets hoss boyo"
Beth: "Are you a Norfolk school child?"
by LemonsBanana September 22, 2012
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