...which are only EFFECTIVE against
wraiths and daywalkers...
The Big Bang Theory Season 3, Episode 5
Ricin.
It's an extremely EFFECTIVE poison.
Breaking Bad Season 2, Episode 1
I always considered your father
a very EFFECTIVE and efficient man,
Game of Thrones Season 7, Episode 4
that saying "pew, pew, pew"
isn't as EFFECTIVE
The Big Bang Theory Season 5, Episode 19
I described your lovemaking
as aloof, but EFFECTIVE.
The Big Bang Theory Season 4, Episode 20