A volunteer fireman who focusses life on being a frieman. They often brag and like to tell people the are a fireman and over accessorize when it comes to lights and antennas on their cars
Chris Simpson is such a whacker, all he does is go to fires
by Dave Corrigan December 8, 2004
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A poser who uses affiliation with a fire or EMS dept to try to seem cool. Usually a young inexperienced member of a volunteer fire or EMS service who has the lowest possible position (volunteer truck washer) in the department, hangs out at the station house because he has no life, and is usually fat and has 5 chins, or is mentally slow, has no women, and lives with three dogs that pee inside his house, but somehow this same dude has $8,500 worth of emergency lights and bullshit on his car, installs a siren to replace his car horn, wears the same "FDNY: 9-11/never forget" baseball cap and "thin blue line" shirt EVERY DAY, and carries a huge scanner radio in his coat pocket. The Whacker will use said radio to listen for emergency dispatch calls just so he can use his lights and siren to respond to the scene at 90MPH, almost causing 20 accidents on the way, just to direct traffic with a glow-baton while REAL first responders do the grown-up rescue and firefighting work... A whacker tells everyone else he knows that he is Assistant Chief of the whole department even though no one believes him.
Dude, what the hell? Why did Jimmy put a full bar of red emergency lights, a 8 foot CB antenna, and a fucking siren on his '92 Cavalier?
Oh my God, what a fucking Whacker!
by Roblox OOOF noise guy January 20, 2021
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A wannabe hero, usually a fat guy that has four devices hanging off his belt.
Look at those whackers. They have nothing better to do than pretend their some great person.
by briteopia February 13, 2007
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Anyone who amasses a collection of amber or white flashing strobe lights for their vehicle so they can pretend they are important. This may also be accompanied by an antenna or black rims. Whackers are a problem because they dilute the already fragile emergency signal, which is used to serve communities by police, and fire/rescue services.
Stupid Whore "Danny is that the police, shouldn't we pull over."
Me "Nah, is just a whacker, I'll throw on my red strobes from the VFD and scare him off. Then give me a BJ."
Stupid Whore "Alright!!"
by foreigncarssuck January 9, 2008
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A person in the crown Victoria community that adds lights and sirens and has no use for them. Whackers also complain about people ‘hating’ their “build” . Whackers May also use their equipment to deliver pizza and impress 13 year olds at a middle school . Whackers often spend more on lights and sirens then brushing there teeth and buy basic life necessities. Whackers are often Police Academy rejects and lie on social media about assistaning stranded motorist.
Marcos pizza manager :Hey Michael, can you deliver this pizza ?

Micheal: yeah ! I’ll go code 3 and start getting my mudflaps ready for Brenden !

Marcos pizza manger: can you just get mental help and stop being a whacker ?
by Whacker hunter June 3, 2019
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"That whacker has so many blue lights on his vehichle!"
by Cara October 12, 2003
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Veigar in league of legends. If you spam /dance, it will look like he is masturbating the air
i played the whacker today in league!
by applle May 27, 2014
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