The character portrayed by "Russell Johnson", the OwnagePranks prank-caller. On YouTube, type in OwnagePranks, and you will understand.
Buk Lao: LIKA SOMEBODIII, FUCK YOU BIC BOIII.
Restaurant Man: Fack yo mather!
Originated in Springfield, Virginia. A way to say hello, or can also be said when extremely happy. You can also use this term when you feel the need to be completely random, or when you want to tell someone to chill out.
A: "What's good, sahn?"
A: "You made the shot!"
A: "Hello class, today we will be learning abou-"
A: "Man, I'm so blown! :"
B: "Haagendaz yo. Haagendaz."