"Die geilste Single der Welt" (German for "The Horniest Single in the World" or "The Coolest Single in the World") is a song by German eurodance group E-Rotic. It is the first single from their greatest-hits compilation Greatest Tits. It is a megamix including "Fred Come to Bed", "Willy Use A Billy... Boy", "Fritz Love My Tits", "Sex on the Phone", and "Max Don't Have Sex With Your Ex". It is not to be confused with the song "E-Rotic Megamix" on the special edition of the album The Power of Sex, which excludes "Fritz Love My Tits", or the album Dancemania Presents E-Rotic Megamix, sometimes called E-Rotic Megamix.