Yah is officially the coolest way to say, yes. It can also be used in other ways such as anger and excitement. It is pronounced yaaaw. Screaming it is also appropriate to show exciment, as if riding a horse.
by Ted February 21, 2008
"Dominoes MuthaF*cka!Now who's da man! Boo-YAAAAAH!"
"Boo-YAAAAAH Beeeeotch".I got yo man now ,so what you gonna do about it,hoe?"
"Boo-YAAAAAH Beeeeotch".I got yo man now ,so what you gonna do about it,hoe?"
by Jason May 03, 2004