( train WHISTLE blows )
Westworld Season 2, Episode 6
Can I blow the WHISTLE?
The Big Bang Theory Season 7, Episode 10
When you hear
a songbird's WHISTLE, you come.
Game of Thrones Season 3, Episode 9
There are dozens of railroad crossings
you have to blow the WHISTLE for.
The Big Bang Theory Season 10, Episode 15
And if that wets your WHISTLE,
you know where to find me.
The Big Bang Theory Season 12, Episode 5