"Gone Extinct"@en . "Gone Extinct is a song that Sid sings in Ice Age: The Meltdown. Along with If You're Happy and You Know It, he sings it believing that Manny is the last mammoth. Lyrics that Sid sings: \"Someday,when you've gone extinctWhen you make a stink...\" (Manny interrupts him during singing)"@en . . "Gone Extinct is a song that Sid sings in Ice Age: The Meltdown. Along with If You're Happy and You Know It, he sings it believing that Manny is the last mammoth. Lyrics that Sid sings: \"Someday,when you've gone extinctWhen you make a stink...\" (Manny interrupts him during singing)"@en . .