
I'll be blowing the WHISTLE.
The Big Bang Theory Season 10, Episode 15

Yes, who do you think gave him
the danger WHISTLE?
The Big Bang Theory Season 8, Episode 19
![[blows whistle]
[blows whistle]](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
[blows WHISTLE]
The Big Bang Theory Season 12, Episode 8

Is it a high-frequency WHISTLE?
The Big Bang Theory Season 2, Episode 10

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