
...something PASSING right through us.
The Big Bang Theory Season 8, Episode 19

and they were PASSING around
The Big Bang Theory Season 7, Episode 19

They were PASSING
notes to each other.
The Big Bang Theory Season 12, Episode 5

"Penny's beauty, like our love,
grows more with each PASSING day."
The Big Bang Theory Season 9, Episode 9

So am I. His PASSING makes me feel bad.
The Big Bang Theory Season 6, Episode 20