It's pop quiz time again! Mario and Courtney go head to head in these intense little pop quizzes and things usually get pretty wild. Lets just say Mario takes these things a little too serious. This week they go head to head in song lyrics. Specifically guessing the name of a #1 song after hearing ONLY the first lyric! Check out the quiz below and tweet us your future pop quiz ideas @ONWithMario and you may just inspire the next quiz!