
I believe this is an EXTENSION
of the death metaphor.
The Big Bang Theory Season 2, Episode 8

That means it's better than his research,
and by EXTENSION, of course, yours.
The Big Bang Theory Season 4, Episode 3

l asked for an EXTENSION
from the power company. Why?
Breaking Bad Season 4, Episode 3

...adult EXTENSION programme
at the university.
Breaking Bad Season 3, Episode 9

I did have a shot with the Lisatronic,
but the EXTENSION cord wasn't long enough.
The Big Bang Theory Season 6, Episode 5