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1. Putting yourself or someone else on a list for an activity, class, etc.
2. When someone is instant messaging you and they suddenly sign off because of something you say (similar to "hang up" on the phone)
guy1: i heard this year mr. herbert is teaching woodshop.
guy2: i have to go sign up for that class!

girl1: what happened last night? you totally signed up on me!
guy3: sorry, my internet connection is horrible.
sign up by gimmieyertots March 22, 2005
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When there is an activity you are forced to do or did not want to do, you would say, "that is a sign up" because you didn't sign for the activity you are being forced to do
My mom told me to clean the poop out of the toilet, thats a sign up.
sign up by Jett Hiu February 8, 2017

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NO DONT DO IT
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New Player: is there some games are safe for me
Roblox: Sign up and start having fun!

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When your chronic boredom has control over you and decide to copy 'Sign up Enter your email to get Urban Word of the Day free every morning.' right from homepage. Don't lie, you tried qwertyuiopasdfghjklzxcvbnm then mnbvcxzlkjhgfdsapoiuytrewq, etc.
I am sooooooooo bored that I gonna search up 'Sign up Enter your email to get Urban Word of the Day free every morning.'

Holy shit, whoever defined this is more bored than I am

No sign up no bullshit 

This is a term used by pornhub it is basically for any of the ads on the top of the videos saying that you don’t have to sign up to go on this other website and ... it’s not bullshit
“Horny moms in your area no sign up no bullshit”
“Wow I’m convinced... wait mom! Why are you the first one on this site!!”

I didn't sign up for this!

When something is not what you agreed to or anticipated to be.
Why is my rent 2x higher now? I didn't sign up for this!
More from Urban Dictionary

No Surprises Wedding

A "No Surprises Wedding," or NSW, is a wedding invitation designation that tells attendees that there can be no unplanned announcements, engagements, events or speeches at the wedding - all actions must be pre-approved by the couple. Anyone who performs an unapproved "surprise" will be asked to leave the wedding early.

This designation comes from Reddit, where so many stories of bad wedding behavior indicated a need to communicate expectations for the wedding behavior of attendees.
You are cordially invited to the nuptials of Brian and Tom on October 31 at noon.

Please note that this wedding is child-free (under 10) and a No Surprises Wedding (NSW). Reach out to wedding planner Sami Smith to request approvals or exceptions; please note that exceptions will be rare. Limited child care for under-10s will be available. All approvals will be noted and included in planning. Unapproved, or surprise exceptions, will result in guests being asked to leave.
Word of the Day on November 8, 2026
Ulzzang true definition is "best & "face" = best face in korean. They are basically people with above average looks, sometimes with the use of photoshop and haduri who post their pics online, some becoming internet celebrities.
"Hey, see that chick over there? She's pretty enough to be an ulzzang. :D"
ulzzang by `r i k kit t y February 26, 2008
Word of the Day on November 7, 2026
EBK stands for "Elite Ball Knowledge." 1 In internet slang, "ball knowledge" originally referred to a deep understanding of football/soccer or basketball, but it has evolved into a broader term for having a highly sophisticated, deep, or niche understanding of any specific topic (such as music, movies, or subcultures).
Person A: "That scene was a direct homage to an unreleased 1982 Japanese indie film."
Person B: "Wow, EBK."
EBK by silwhett November 5, 2026
Word of the Day on November 6, 2026
A seemingly endless debate with a idiot
I don't know man im not ready for yap trap stupidity today which always tries to suck you into it
Yap Trap by WolfieSnack November 4, 2026
Word of the Day on November 5, 2026
Texas is categorized as a swing state in presidential elections, but has voted for Republicans more times than for Democrats in recent history. As such, as demographics change political alignments, some Democrats believe that Texas will vote blue, or Democratic, due to their Hispanic and African American voters, who often align themselves with the Democratic Party's liberal wing.

Blexas has been cited as possible in the upcoming decades, but only if Democrats continue to win the Hispanic vote in bigger margins.
Democrat 1: What is your prediction for the 2024 presidential election?
Democrat 2: Well uh, Blexas!
Democrat 1: You've been saying that since 2008 though.
Blexas by Tritonist June 14, 2021
Word of the Day on November 4, 2026
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