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 13, 2002
Get the Hoo-ah mug.
a greeting, to get your attention
hello! how are you? it has been a long time!
by Wesley January 18, 2004
Get the Hoo-ah mug.
anything except for \'no\'
those shoes are hoo-ah
by Hilter April 27, 2005
Get the Hoo-ah mug.