Drop-dead and Snuff it

Drop-dead adjective - Very pleasing to look at.

Snuff it and drop-dead are semantically related. In some cases you can use "Snuff it" instead a verb phrase "Drop-dead".

Snuff it verb - Pass from physical life and lose all bodily attributes and functions necessary to sustain life.

Drop-dead and snuff it are semantically related. Sometimes you can replace phrase "Drop-dead" with "Snuff it", this terms are similar.