
Oh, he's just helping us
develop a better, more EFFICIENT
The Big Bang Theory Season 11, Episode 8

I-I know my laser would be
way more EFFICIENT.
The Big Bang Theory Season 12, Episode 14

AMY: My goodness, that form of stimulation
is highly EFFICIENT.
The Big Bang Theory Season 10, Episode 23

It would be way more EFFICIENT.
The Big Bang Theory Season 11, Episode 8

Yes, while also getting in a solid dig
at you, pretty EFFICIENT, huh?
The Big Bang Theory Season 10, Episode 1