SHELDON:
It was obviously EFFECTIVE.
The Big Bang Theory Season 1, Episode 16
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
one of the most EFFECTIVE
techniques for moving on
The Big Bang Theory Season 7, Episode 20