Can you keep him QUIET?
The Big Bang Theory Season 7, Episode 20
Especially if our baby's
as calm and QUIET as little Cinnam...
The Big Bang Theory Season 6, Episode 22
but if he starts
to get real QUIET,
The Big Bang Theory Season 5, Episode 16
If you're going to stay,
you'll have to be respectful and QUIET.
The Big Bang Theory Season 2, Episode 6
Maybe, if we're QUIET, he'll go away.
The Big Bang Theory Season 10, Episode 11