the.com/putrid
Decay so advanced it has developed a personality and a smell.
means Rotting, decomposing, and reeking of it — or figuratively, morally or qualitatively foul.
from From Latin putridus, from putrere, to rot, kin to puter, rotten — the word itself has been decaying since antiquity.
Smell chemistryNamed molecules putrescine and cadaverine come from this root.
Insult upgradeNow means simply terrible, no actual rot required.
Cousin wordPus shares the same rotten Latin family tree.