The coolest way to say “yes”, or any type of agreement. The second this leaves your mouth people will be absolutely falling to your feet and ogling at you in complete and utter admiration. You will be the absolute awesomest person in all of existence, extremely cool, and epicly popular.
Person 1: “U wanna see a movie?”
Person 2: “Yepperdootlebob”
*the sound echoes throughout the room and people fall to their feet worshipping you in masses*
note: this term should be used with extreme caution as you may accidentally attract loyal people who want your autograph and the paparazzi.