A man/woman you masturbates to ducks.
"You probably like to jerk off to ducks. You're a Quack-wacker".
by JuliusSneezer November 30, 2016
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A sex act that involves a ZZ Top level bush and a man well endowed enough to do the helicopter. The man then uses the helicopter to push the bush out of the way enough to find the promised land
Steve: hey man how was that girl last night?

Frank: it was good but I had to German Weed Wacker my way through it
by German weed wacker April 14, 2017
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Someone who jerks off in their sleep
Little no pussy getting Nelvin jerks off so much he does it in his sleep too I guess you could say he's a sleep wacker
by Hang solo April 15, 2016
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A person, who is volunteer, part-time or call in the Fire or EMS service, or badly wants to be apart of such service and;
Always has the latest gear, the "coolest" shirts, plenty of stickers and too many lights on his car.

Wants everyone to know that they are Fire/EMS and are often found posting selfies in their Fire/EMS gear or uniform, despite the fact that their real job is at a supermarket or big box store.
"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 nhbra November 2, 2019
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Someone who shoots people with real guns.
“Some fellah came into my house and wacked my best friend, he must be a wacker
by Calvin purdy August 8, 2018
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