Laryngitis (the most common cause of hoarseness or voice loss) happens when your voice box becomes irritated or inflamed, leading to swelling that keeps your vocal cords from being able to open and close smoothly.
hooah. 1  slang used by Army soldiers to mean just about anything except no.. 2  Slang used by hardcore soldiers, usually Airborne or Rangers. 3  an enthusiastic yell or war cry.  used in the US Army meaning, hello, good, cool, or acceptance with enthusiasm.
expression meant to startle, early 15c., boh, A combination of consonant and vowel especially fitted to produce a loud and startling sound [OED, which compares Latin boare, Greek boaein to cry aloud, roar, shout.]; as an expression of disapproval, 1801 (n.), 1816 (v.); hence, the verb meaning shower someone with boos (1893).