This is very old slang, but is still used occasionally It refers to a person who falsely claims to have medical knowledge or qualifications, especially one who dispenses pills, potions and ointments that have curative properties. The word comes from the Middle Dutch word kwaksalver which means one who sells salves and ointments. Although seldom used nowadays quacksalver is the origin of the term quack which means pretty much the same thing.

“Johnny’s in hospital with pneumonia, his doctor missed it!”
“What did you expect, the old bastard is past it and no better that a quacksalver.”

Quacksalver by AKACroatalin March 18, 2019

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Quicksilver

Quicksilver is no ordinary x-man, he has super speed and super looks. He is considered, among many to be a god. He is literally the best thing to ever happen to the marvel universe

Man #1 woah bro did you see quicksilver over there

Man #2 yeah man he's a total god

Quicksilver by Pietro Django Miximoff March 19, 2017

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Quicksilver

Peter Maximoff's code name in the X-Men movies. He can run super fast and God-damn, is that guy hot! He is the cutest X-Man, no competion. He is awesome.

Me: "Gosh, Quicksilver is adorable, hot and funny."
Sis, Juliet: "X-Men QS, or Avengers QS?"
Me: "X-Men, there is no competion."
Peter Maximoff is the best Quicksilver. Fight me if you disagree.

Quicksilver by Taco <3 unicorns August 4, 2017

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Quacksing

To quacks, Being in a state of chatting lots of shit usually because you are very high.

Can also be used to describe yourself as being in a state of disillusion because you have had too much weed

You: Emile heskey is the greatest footballer on earth
Mate: what shit are you chatting mate, how high are you?
You: Mate I'm Quacksing!!!!

Quacksing by Sir quacksalot June 3, 2016

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