This is not really "Popular Media" but what the hell.
suicide, falling, gun accident, massive bleeding, pulnarry embolism, heart attack, brain embolism, blunt force trauma, drowning, taking too much sleeping pills.
Need I go on? You can die many ways and again this isn't really popular media and should be put in forum games where posts wouldn't count because there are endless ways to die or kill yourself.
I'll just name a couple Cannibal Corpse songs that have touched on the subject
Frantic Disembowlment, Blunt Force Castration, Force Fed Broken Glass, F***ed With A Knife, Blowtorch Slaughter, Hacksaw Decapitation, Pounded Into Dust, Innards Decay, Rancid Amputation, Meat Hook Sodomy, Stabbed in the Throat, Dismembered and Molested, Sanded Faceless, Hung and Bled, Hatchet to the Head, Hammer Smashed Face, Submerged in Boiling Flesh, Five Nails Through the Neck, Barbaric Bludgeonings, Eaten from Inside, Relentless Beating, Mummified in Barbed Wire, Devoured by Vermin, Bent Backwards and Broken, Severed Head Stoning, and Stripped, Raped, and Strangled