Publicly highlighting or advertising aspects of one's own impending death that reflect favourably upon the person dying - Often done to get attention & status, or to demonstrate moral superiority over others.
John said he's arranging a green funeral so he can save the planet with his death, he's really going for that death clout
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).