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verb: to recommend to someone to keep quiet before they end up saying or doing something to prove their stupidity. The person often thinks they are undoudtedly correct. Often what they are saying refers to someone in their presence that they are unaware the story effects.
person 1: Hey, did you here that Joe got busted at Macy's ? (Joe's mom is right behind person 1 and overhears this story)

person 2 : Dude, why don't you dummy up !!

person 1 : Huh?
dummy up by ChrisL6464 April 10, 2010
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Verb: to screw over, go back on your word, mess up, act stupid, say something retarded, piss some one off, be trippin on some one or basically do anythin that could make someone mad or think your stupid
Adjective: Someone who dummies up
Verb: That bitch just dummied the fuck up.
Adjective: You are soo dummy up right now.
That dude is DUMMY UP.
You dummy up asshole.
dummy up by lil nem June 11, 2006

Dummy-up 

To make like a dummy - to SHUT UP!
"If the cops come around just dummy up."
Dummy-up by El Loudo February 10, 2005

Dummy-up 

Dummy-up and get out of the car.
Dummy-up by Death February 8, 2005

up the dummy 

When an inmate pulls his penis out for a female staff member.
Hey Sarge, dude on 5 galley up the dummy on the nurse again.
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.

Man, I just watched the funniest nutshot video ever.
Nutshot by Uberflaven March 1, 2009
Word of the Day on June 26, 2026

Nerd neck 

A "human" that spends so much time playing video games that their posture is level nerd neck. Everytime anyone goes tryhard they hunch down and their neck gets longer there fore a nerd neck is always hunched down cause they're always going try hard. In other words a nerd neck is a try hard, since their neck is 100% longer than the average human being due to playing too many video games and taking them serious, nerd necks are not even considered human anymore but something more sad. Nerd necks are often found on fortnite, their natural habitat usually being tilted towers.
What a fucking nerd neck!

He is building so fast, nerd neck!

Looser more like a nerd neck ha!
Nerd neck by D Sandwich Maker February 5, 2019
Word of the Day on June 25, 2026