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An idiomatic phrase expressing that if something looks and acts a certain recognizable way, it probably is exactly what it appears to be.
"After the liquor store was robbed, a man was found leaving the scene carrying a gun. Did he commit the crime?"
"If it walks like a duck, looks like a duck, and quacks like a duck, it's a duck."
by AH73 October 17, 2013
mugGet the If it walks like a duck, looks like a duck, and quacks like a duck, it's a duck.mug.

Quack

- a sound that the duck does.

- slang word for a strong bond two people made in a short amount of time.
Levi and I have a strong quack. I quack him a lot.
by souuu July 30, 2017
mugGet the Quackmug.

Quack

A more simpler and more generalization of the term is when someone starts explaining the formula of e equals mc squared, when nobody even asked for it and/or cares. Basically someone who never shuts up about anything medical, technological, biological, historical, logical, how great a movie is, how great a game is, why someone is so cool, alright alright, you get the point.
Major Zero: She was originally named Quack.
Naked Snake: Because she never shuts up.
Major Zero: Yes, that's exactly it.
Paramedic: No it's not. Snake tell him.
Naked Snake: ...Gotta go.
by bumerhoomorr34 May 9, 2021
mugGet the Quackmug.

Quack

The dreadful, awful, appalling, horrific, horrifying, horrible, horrendous, atrocious, abominable, abhorrent, frightful, fearful, shocking, hideous, ghastly, grim, dire, hateful, unspeakable, gruesome, monstrous, sickening, heinous, vile sound made by a duck/chicken.
"The dreadful, awful, appalling, horrific, horrifying, horrible, horrendous, atrocious, abominable, abhorrent, frightful, fearful, shocking, hideous, ghastly, grim, dire, hateful, unspeakable, gruesome, monstrous, sickening, heinous, vile chicken made a quack."
by Dante Michel Capobianco April 11, 2019
mugGet the Quackmug.

Quack

When a girl likes you and gets nervous around you so she has no other reaction
Katie: Oh look it’s John, quick what do I do

Friend: idk shoot your shot

Katie: quack

John: wtf
by Manbun21 November 9, 2019
mugGet the Quackmug.

mackin' quack

A Mac computer user that think he/she is the dominant keyboard clicker due to their bit apple computer and their turtleneck and funky glasses. They tend to pay double for what things should cost.
Look at that fool, he's one of those mackin' quacks.
by Roachbug August 21, 2010
mugGet the mackin' quackmug.

Quack Nap

A nap in a swamp where ducks chill
Adrian: man I accidentally took a quack nap

Cassandra: oh mate you have bread in ya hair
by Zoe Biancofiore September 30, 2019
mugGet the Quack Napmug.

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