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A person, who is in the Fire, EMS, or Police service, or one who badly wants to be apart of such service. A wacker always has the latest gear, the "coolest" shirts and plenty of stickers on his car. Wackers often overdoo everything, such as lights, sirens, or expensive equipement. These items are almost always paid out-of-pocket, as no organization can justify that much wasted spending. Wackers are most commonly between the agest of 14 and 30, and are usually trying to show off to others, how "cool" they are for being a Firefighter, EMT, Police officer, or for wanting to be one of the above. A Wacker can often be found with their radio turned way up, so that everyone can hear it from a mile radius, or sitting around their local headquarters trying to catch any scrap of action going on in any of the surrouding districts.
"Hey look at that kid with his saturn, he joined the fire department last week and now he has a lightbar and stickers all over it, what a wacker!!"
by S. Santa August 30, 2006
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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2
A fire-person who is overly enthusiastic about the fireservice.
For example the guy with way too many blue lights on his truck or the guy who always wears gay fire shirts.
by Ryan March 30, 2004
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3
A person who is enthusiastic about being an EMT soley for the purpose(s)of "big" calls and/or having lights and/or sirens in their vehicle.
My brother enjoys being an EMT, to see people bloody, thusly he is a wacker.
by Righteous_Diego January 10, 2005
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4
Someone who straps their phone playing a police scanner under their headset.
Kamil was being a wacker yesterday!
by TGNH09 December 11, 2019
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5
This is not the Australian slang version of the English "wanker". Wanker literally means "masturbator" but all the same is used as a general insult to state that someone is not liked nor likeable. "He is a wanker" or "Don't be a wanker", "I'm not going to that bar again, they are all wankers in there"

"Wacker" is related in meaning to the word "Wacky" and also "wacked" - and means a bit crazy, a fool, an idiot. Although it is not a favourable term, it is more descriptive than an insult.

"Why did you phone her up again?" "I'd been drinking all day and was wacked off my head"

"Did you see him fall down the stairs yestederday while trying to show off to his mates?" "yeah, haha, what a wacker".

"Do you want to go base jumping this weekend?" "No way - You would have to be a wacker to do something like that!"
by The Fli October 27, 2005
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6
A Wacker is a friend from Liverpool, England.
Hello my old Wacker (friend), or can be abreviated to Hya Wack.
by Janz July 05, 2005
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