Chicken heads who speak ebonics and dont know that chickens go Cluck not quack.
Bob: "Susie, you're SUCH a chickenhead."
Susan: "Fine, then I'll BE a chickenhead. Quack! Quack! Quack!"
Bob: "...That's a duck, Susie."
by imyourpusher May 13, 2005
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A scam-artist. A person who makes up bullshit medical products or advice or prescriptions that don't work. A snake oil salesman.
Most alternative medicine "specialists" and psychics are quacks.
by Anonymous February 18, 2003
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(verb) the act of whole-handedly fingering a girl using the "talking hand" motion and casually saying Quack Quack throughout.
I made her cum by Quack-Quack.
by SHCWCDM133037 May 20, 2017
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when your using DuckDuckGo as your search engine, and have a link to share... you quacked it!
instead of saying "I just googled this"... you would say "I just quacked it"
by AnonQuack February 21, 2020
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1. a fraudulent physician

2. any physician
This quack has no skills in medicine at all.
by Light Joker January 1, 2006
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The act of choking so violently on a huge cock, that the giver is choking and gagging. Hence, making a -deep, back of the throat quacking sound.
God, this bitch wont ever shut up. Even giving head she kept quacking.
by sillydillyvanilly April 10, 2015
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