
SHELDON:
It was obviously EFFECTIVE.
The Big Bang Theory Season 1, Episode 16

I described your lovemaking
as aloof, but EFFECTIVE.
The Big Bang Theory Season 4, Episode 20

that saying "pew, pew, pew"
isn't as EFFECTIVE
The Big Bang Theory Season 5, Episode 19

Placinex proved
extremely EFFECTIVE in treating
The Big Bang Theory Season 9, Episode 12

That's equally EFFECTIVE
The Big Bang Theory Season 10, Episode 21