So listen,
would you describe your IDEAL vacation...
The Big Bang Theory Season 2, Episode 3
The IDEAL setting is 72 degrees.
The Big Bang Theory Season 9, Episode 10
I know it's not IDEAL,
The Big Bang Theory Season 10, Episode 18
...is your IDEAL mate.
The Big Bang Theory Season 3, Episode 12
So the IDEAL interstellar lingua franca
would be haptic.
The Big Bang Theory Season 8, Episode 21