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16.
A word used in the United States Army usually used by pogue ass bitches. It can mean pretty much anything. If you get caught saying this word where i am from you get the fuckin shit smoked out of you and a good "we got a detail behind the conex" AKA a good jumping. sometimes used by Infantry men to fuck with thier nco's must be over emphasized tho and must be said in a very high pitched girly voice.
Sgt: grab some guys do a quick police call then bring ur rucks and kits here to be inspected for tomorrows road march.

cherry ass Infantry Pfc: (over emphasizing) roger Sgt. hooooooooaaaaahhhhhhhhhhhhhhhhh.

pogue SFC that hasnt deployed yet: you all ready for your first 50 cal range!!!!????

Pogues: (with high enthusiasm) Hooah!! SGT!!!!!!!!!!
by john881 March 22, 2010
 
1.
Phonetic spelling of the military acronym HUA, which stands for "Heard Understood Acknowledged." Originally used by the British in the late 1800's in Afghanistan. More reciently adopted by the United States Army to indicate an affirmative or a pleased response.
1: Sgt: "Y'all got the game plan?"
PFC(s): "Hooah sargeant!"

2: Sgt: "Y'all ready for chow?"
PFC(s): "Hooah sergeant!"
by MaddogS September 30, 2003
 
2.
U.S. Military Slang.

Referring to, or meaning anything and everything except "no." Generally used when at a loss for words. Also:

Good copy, solid copy, roger, good or great; message received, understood.
Glad to meet you, welcome.
I do not know, but will check on it, I haven't the vaguest idea.
I am not listening.
That is enough of your drivel--sit down.
Stop sniveling.
You've got to be kidding.
Yes.
Thank you.
Go to the next slide.
You have taken the correct action.
I don't know what that means, but am too embarrassed to ask for clarification.
That is really neat, I want one too.
Amen.
by Anonymous August 12, 2003
 
3.
Derogatory term for Army Soldiers, because of the fact they respond with hooah for any question given to them.
Sailor 1: Why do we have to wear these stupid reflective belts?
Sailor 2: I's because the Hooahs are fucking retarded and can't look both ways before crossing the street.

Marine: Oh man whats that smell? It smells like fucking Hooah!
by Chilito January 28, 2011
 
4.
1: heard understood acknowledged 2:i don't know what you said but i want you to think i was paying attention. 3:yes. 4: i disagree but i'll do it anyway. 5: i want you to think i care. 6: i want to show you i can act motivated. 7: hardcore, tough.

of military origin
that ranger is hooah
by big johnny July 09, 2002
 
5.
Army term for agreement or acknowledgement
"Private, go get me a cup of coffee"
"Hooah Sergeant"
by RyanSm April 22, 2008
 
6.
A word a military tard uses when he is grunting or blindly following orders.
Commander: Soldier I want you to take out that entire town of innocent chilrend.

Soldier: HOOAH!

Commander: WTF is wrong with you are you a retard or something?
by MrHobbes69 August 16, 2014
 
7.
1. Acknowledgment, although sometimes not agreement.
2. Excessively rigid or displays unnecessary military bearing.

Believed to have originated with Army Engineers in World War II, who when forced to "Hurry Up And Wait" chanted acronymn - H.U.A.W. - which became today's Hoo-ah. See also hooah
1. "We're supposed to dig a new latrine this morning, then get ready to move out tonight. Hoo-ah."

2. "That new lieutennant is way too hoo-ah."
by 12B December 12, 2002