"What a thrill" is a phrase that appears in the opening theme song of Metal Gear Solid 3: Snake Eater, called "Snake Eater"). The song was written by Norihiko Hibino and performed by Cynthia Harrell). The phrase "What a thrill" is part of the songs lyrics and is repeated throughout the song. It has become a memorable and iconic part of the Metal Gear Solid franchise, and fans often reference it in discussions and forums.