The inevitable and irreversible end of ALL biological entities
All living things are part of the circle of life and, therefore, have to meet their death at some point in time, either by old age, illness, or severe injury.
The Overarching Antagonist of Puss in Boots: The Last Wish, based on the folklore version of Death, being a white bipedal wolf instead of a skeleton.
Puss: you are no bounty hunter, you are..
Death: Death! And I don't mean it metaphorically or rhetorically or poetically or theatrically or in any other fancy way. I'm Death, Straight. Up.
The involuntary guttural sound a woman makes during orgasm, caused by the contraction of the diaphragm
"Oh babe you just gave me the death blow"
When a person is killed by his/her Doppledanger.
This scenario is extremely rare but anything can happen in this world.
News reporters have found a very shocking news about yesterday's murder. The victim was killed by his dopple danger, which was very intriguing to the detectives. this miracle is called the DOPPLE DEATH!
When something massive and extremely powerful has one tiny weakness that, if you exploit, the entire thing will go to sh*t
The Alien Invaders from "Independence Day" suffer from Death Star syndrome: if the mothership's cockpit is destroyed, all of the other ships will blow up.
Disclaimer: this example's weakness may not be that tiny, but you get the point
(Richard) "Aye bro when you're gonna stop having sex with all these girls"
(Me) "Until Death Call My Name"