when duck go quack it is saying you are a dumbfuck
by eaitsinagay January 2, 2021
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A code word for quarter, as in a quarter ounce of smoke/weed.
"How much does a quack run?"

"Can you do a quack?"
by Laura Hill August 14, 2007
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A term used by the supporters of conventional medicine to insult anyone that supports alternative medicine.
Alternative Medicine Supporter: I started oil pulling and using herbal tooth powder. The result is that my teeth are very white and my mouth never felt this good!
Conventional Medicine Supporter: What you're doing was made up by a quack artist! The results that you are seeing are a placebo and the medicine you're using doesn't work.
Alternative Medicine Supporter: How can you tell me that the results I'm seeing are fake? They are clearly real. Let the results speak for themselves! Watch me demonstrate.

(The Alternative Medicine Supporter reveals his teeth and that are so bright white that they stun the Conventional Medicine Supporter!)
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It's when you do an animal. Used a lot by Karthiks
I'm so quacked! That was some doge ;)
by cuckthick January 15, 2018
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When a girl choaks on your dick and she sounds like a duck
I remembered how she quacked last night suckin my dick.
by SoloCommando September 2, 2019
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1) you just got screwed, or something really bad just happened
2) you just got massively shut down/disgraced
3) you're whipped and your girlfriend's pulling your chain
holy shit, you just got quacked, G.
by qmacks September 24, 2003
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(v) To reserve for future use, esp. a seat. "Give me my seat - I quacked it 5 minutes ago!"

(n) An agreement that a person has Quacked. "Jason's quack is still in effect for another three minutes."
by tenfour October 26, 2003
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