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It's a holiday that Cat made up from the comedy sitcom Sam & Cat. The holiday is when people give each other presents for no reason. Happy Yayday.
Did you watch the new episode Yayday of Sam & Cat
Yayday by #HiMe July 17, 2018
Related Words
The official renaming of Friday. It's combines the happy expresion of the last day of the week and the day itself.
Yay! It's Yayday!! Tonight we party and tomorrow we sleep in all day!
Yayday by ridembob October 28, 2010
noun- term for the 15th of the month, when paychecks are spent on frivolities; orignially from the habit of spending that particular paycheck on drugs ("yayo")
"Today's yayday, so I can get outta the house and into the bar!"
Yayday by ChinkJew May 15, 2005
Read the following carefully. It's not the usual yadayada

--> taken from google warning about their terms of service when downloading google toolbar
yadayada by Fredrick Mboma June 28, 2005

yadayadayada 

Seinfeld reference; when you want to skip a part in a story or something you are telling someone so you just say yadayadayada.
So I went to this barn full of horny rednecks and yadayadayada now i look like swiss cheese.
yadayadayada by beattie April 11, 2005

yaysayer 

Opposite of a naysayer, i.e. someone who always reacts positively to everything.
When I told Sherry we had a flat tire she said she was happy because she wanted to finish her book before we got there.

Cripes, there's a yaysayer for you.
yaysayer by Jeff Fries October 8, 2009
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
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