dude1: you deh deh-deh dude 2: sorry dude im not that smart  man 1: what is 2 + 2 man 2: 4 man 1: oh man 2: deh deh-deh
it means you are so dumb
"dude1: you deh deh-deh dude 2: sorry dude im not that smart  man 1: what is 2 + 2 man 2: 4 man 1: oh man 2: deh deh-deh" What is the definition of "deh deh-deh"?