The heroes that expose crimes and corrupt activities even though they will be punished harshly by the government for daring expose their dirty secrets.
Bradley Manning was a Whistleblower who exposed the lies of the military industrial complex and incurred the wrath of the Obama administration. Edward Snowden was a Whistleblower who broke the news that the NSA was recording everything any american did online, on their phones, or within just about any networked electronic communications technology (in violation of the 4th Amendment.)
by CameronFirefly June 10, 2013
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A person that "whistles" or "sings" others.

A person that rats out others.
A rat.
Name for a rat.
Ex.1
Person1: "Yo there's Andi."
Person2: "Andi whistleblew to others about my weed."
Person1: "He is such a rat "
Ex.2
Person1: "Yo there's that whistler Andi"
Person2: "He sung about me to my parents about me smoking"
Person1: "Fucking whistleblower "
by Soiley/Arki December 04, 2019
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One who enjoys partaking in orally manipulating the female vulva.
"Dude. That chick is hot!" -- "Sorry, bro. She's a drippy whistleblower..."
by LoveMeSomeNakedWomen June 12, 2013
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An insider who reveals an act, generally illegal, taking place, which the person committing the act would not wish to be public.

The word comes from the idea that the whistleblower is "blowing a whistle" to stop the illegal action that he/she sees.
The CEO was sent to jail after a whistleblower who worked at the company leaked documents to the press proving illegal stock manipulation.
by alexaz March 31, 2006
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Any whistleblower who, from the perspective of Putin’s Bitch, is not blowing the whistle on him.
Let’s find ourselves a real whistleblower, one who will blow this whole fraudulent Ukrainian extortion hoax out of the water so I can get on with the business of grabbing some pussy and continuing to extort the American people.
by Dr Bunnygirl October 02, 2019
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Where you cum inside a girls mouth and tape her mouth shut and wait for her to sneeze
Bro! I gave her an alaskan whistleblower last night!
by Zachary Kelly February 04, 2016
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The actual whistleblower, if they exist indeed, on whose testimony trump's first impeachment was predicated.
Is the zelensky-trump whistleblower Alexander Vindman? Or someone else?
by Sexydimma March 07, 2021
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