
using Morse CODE?
The Big Bang Theory Season 7, Episode 1

That's our CODE word.
The Big Bang Theory Season 11, Episode 12

to bring it down to
the Office of Code Compliance.
The Big Bang Theory Season 12, Episode 14

No, that's my CODE word.
Get your own.
The Big Bang Theory Season 11, Episode 12

Activate self-destruct sequence.
Code 1, 1A, 2B.
The Big Bang Theory Season 4, Episode 21