The act of saying the phrase "YOU WON'T!" after someone announces they're going to do something. Generally used to be funny, and/or taunt the individual.
I'm gonna beat yo ass bro.
"YOU WON'T!"
by Nana. September 10, 2011
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an anime girl word before she gets a tentacle stuffed in her.
by LE SEAL March 17, 2018
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phrase to add to the end of a sentence in regards to a household appliance to indicate that it has been peed on. Used by a person so drunk, they no longer recognize the proper place to urinate or poop.
Hey man, your DVD player won't flush.

or;
Hey, your clock won't flush.

or;
I was just in the room with the thing over there and your bed won't flush.

or;
I think you need to call someone because I can't get your refrigerator to do the thing and it won't flush.

or;
Man, I'm so drunk I couldn't figure out your Xbox and now it won't flush.
by calvinke February 25, 2011
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Used to describe a person who will not have sex with you no matter what you try.
I'm trying to get my gf to have sex with my but she won't engage.
by Godfree0000001 September 21, 2010
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Whenever someone says they'll do something, someone else comes back with "You won't!" It's almost like a dare. If the person does said thing, the "You won't"-er usually comes back with something like "OK, so maybe you will."
Commonly used by the surf-bum kids who pioneered such gems of slang like "Dude" and "Sweet".
Person1: Man, every time my math teacher gives me homework, I want to pull a Columbine on her!

Person2: You won't!

(Person1 does. Person2 is arrested as an accessory.)

~OR~

Chemistry Teacher: Now, Hydrogen gas explodes very easily. I could show you a demonstration, but I don't have time.

Pyromaniac Class: You won't! You won't!

Chemistry Teacher: Well, I GUESS we could squeeze it in...

Class: Yay!!!
by JillieManicotti February 18, 2004
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When a man wants to have sex in the morning but his partner doesn't.
I woke up with morning wood but she told me to go back to sleep. She had morning won't.
by Ice_Burn April 16, 2022
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a phrase often used by kyu to describe what a certain person would never do. sometimes associated with a point of the index finger.
cassie: i can drink you under the table
kyu: u won't (points at cassie)
cassie: i will too (begins to chug a fifth of vodka)
by cassie rains September 28, 2007
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