![I'll be blowing the whistle.
I'll be blowing the whistle.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I'll be blowing the WHISTLE.
The Big Bang Theory Season 10, Episode 15
![Is it a high-frequency whistle?
Is it a high-frequency whistle?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Is it a high-frequency WHISTLE?
The Big Bang Theory Season 2, Episode 10
![All I have to do is whistle and my men will
stroll in here and bash you about...
All I have to do is whistle and my men will
stroll in here and bash you about...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
All I have to do is WHISTLE and my men will
stroll in here and bash you about...
Game of Thrones Season 6, Episode 7
![There are dozens of railroad crossings
you have to blow the whistle for.
There are dozens of railroad crossings
you have to blow the whistle for.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
There are dozens of railroad crossings
you have to blow the WHISTLE for.
The Big Bang Theory Season 10, Episode 15
![- Can I whistle?
- Don't be silly.
- Can I whistle?
- Don't be silly.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
- Can I WHISTLE?
- Don't be silly.
The Big Bang Theory Season 2, Episode 13