
Oh, he's just helping us
develop a better, 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

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

...which increase point-to-point drive time,
making it the less EFFICIENT choice.
The Big Bang Theory Season 2, Episode 5

That seems a fairly EFFICIENT arrangement.
The Big Bang Theory Season 2, Episode 15