Yeah hi
A phrase commonly used in the movie Office Space by a character known as Bill Lumbergh. He almost always uses the phrase to address someone, especially the main character Peter Gibbins.
"Yeah hi, it's Bill. Your tps reports didn't have the new cover sheet on them. Did you get that memo?"
Yeah hi
A hot girl. Comes from seeing a hot chick and saying "yeah hi!" to announce her presence.
Dave saw a yeah hi on campus this afternoon.
yeah hi
A greeting said upon meeting someone or when picking up a telephone. Usually used by those who are jewish and/or suffer from A.D.D.
Yeah Hi. It's all about me.
Yeah, Hi.
A non insulting way of agreeing with someone, or responding to information you already know.
Jane: Can you beleive that John cheated on me?
Bobby: Yeah, Hi.
Skip: I'm going to the simple plan concert!
Joe: Yeah, Hi, me too.
Bobby: Yeah, Hi.
Skip: I'm going to the simple plan concert!
Joe: Yeah, Hi, me too.