I'll be blowing the WHISTLE.
The Big Bang Theory Season 10, Episode 15
[TRAIN WHISTLE BLOWS]
Breaking Bad Season 2, Episode 4
( train WHISTLE blows )
Westworld Season 2, Episode 6
And if that wets your WHISTLE,
you know where to find me.
The Big Bang Theory Season 12, Episode 5
When you hear
a songbird's WHISTLE, you come.
Game of Thrones Season 3, Episode 9