
Good thinking, I'll just be the MUSCLE.
The Big Bang Theory Season 1, Episode 1

You mock the sphincter,
but the sphincter is a class of MUSCLE...
The Big Bang Theory Season 4, Episode 2

Don't move. Don't--
Don't dare move a MUSCLE.
Breaking Bad Season 5, Episode 16

That leaves you, by default,
as the MUSCLE.
The Big Bang Theory Season 3, Episode 17

Great. Just keep in mind astronauts lose
a lot of MUSCLE tone in space...
The Big Bang Theory Season 6, Episode 4