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 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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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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Jim: Thanks for the present
Mary: no whackers Jim
by TheladyKate November 17, 2017
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wireless hackers.
also refered to as 'wibos', or wireless hobos, and hahaha..digital pathogens!
whackers fuck your richo mother, kid! no, not just that ..they can fuck your comp and that BlueTooth cellie you think no one can ave ..(shit! thank gawd i'm a technophobe..).
by hytham_hammer July 5, 2005
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Noun: Whack-er

1. A wanna-be hacker...A person who claims to have "god-like" or "Hacker" computer skills without actually possessing the abilities.

2. Someone who uses hacker toolkits with no real hacking knowledge.
George is a whacker. He tried to "hack" work when he got fired, but he got busted by the cops because he did it all from his home computer without hiding his IP address.

Whackers are easily spotted because they often misquote technical facts from television shows like CSI and NCIC and make unfounded claims about their ability to use NMAP.

The Internet has spawned an entire group of whackers... users with little computer education and open access to hacker-grade toolkits. Imagine this group of whackers as a group of children playing with guns... it's only a matter of time before someone gets shot.
by [502] KanocAnoc March 18, 2010
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The radio frequency by which Fire, EMS and local police are dispatched and operate on. Most often run by the county to cover Fire, EMS and police dispatch on a county wide system. Named the Whacker Radio because a Whacker will listen to these broadcasts on his\her scanner or two way radio, often at a volume where everyone around them can hear every word.
(Inside a medical transport ambulance)
EMT1: What the hell is that noise?
EMT2: That's the county radio.
EMT1: The Whacker Radio? Why the hell do we need that on?
EMT2: Because I'm listening to it.
EMT1: (sigh) You're one of those damn Whackers aren't you?
EMT2: Damn right, I take that as a compliment!
by Jay Dog February 2, 2010
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