You have to make a MOTION.
The Big Bang Theory Season 2, Episode 7
to activate the MOTION sensor.
The Big Bang Theory Season 5, Episode 2
This is making me a
little MOTION sick.
The Big Bang Theory Season 11, Episode 14
...caused by relative MOTION between
the source of the wave and the observer.
The Big Bang Theory Season 1, Episode 6
Mmm? Mmm?
There is no second. The MOTION is denied.
The Big Bang Theory Season 9, Episode 21