
...which are only EFFECTIVE against
wraiths and daywalkers...
The Big Bang Theory Season 3, Episode 5

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

It's really EFFECTIVE.
Westworld Season 2, Episode 6

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