The caption says, "A friend is somebody who will not think less of you for singing the 'ooh-ooh!' part of a song on the radio." Dilbert and Dogbert ride in the car listening to the radio. Dilbert sings, "Oooh-oooh!!" The caption says, "Of course, friends will also feel free to express their musical opinions." Dilbert lies in a ditch as the car speeds off.