the act of saying "YYeeaahh" like Eddie Vedder from Pearl Jam to respond to a question or statement.
It is important to use a vocal tremolo while saying "yeah" to correctly vedder.
Using Veddering to respond to a question:
Sean: "You want to grab a beer?"
Richard: "Yyeeaahh"
Sean: "Lets go"
Using Veddering to agree:
Emily: "You want to head out?"
Clint: "Yyeeaahh"