
And if that wets your WHISTLE,
you know where to find me.
The Big Bang Theory Season 12, Episode 5

Oh, danger WHISTLE.
The Big Bang Theory Season 8, Episode 19

There are dozens of railroad crossings
you have to blow the WHISTLE for.
The Big Bang Theory Season 10, Episode 15

and gave him that WHISTLE.
The Big Bang Theory Season 7, Episode 24
![[TRAIN WHISTLE BLOWS]
[TRAIN WHISTLE BLOWS]](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
[TRAIN WHISTLE BLOWS]
Breaking Bad Season 2, Episode 4