Skip to main content
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.

national smash day 

Every March 31 you have to ask someone if they want to smash
Yo it’s National Smash day, you should totally ask if Nat wants to smash!

National smash day. 

On April 20th is National smash day. Grab your boo and get to smashin'. Also show some love for the virgins.
Jimmy: it's 4-20-18

Morgan: huh?

Jimmy: that means it's National smash day.
Morgan: ohh 8=====D
*Repeatedly Smashin'*

Annual let your boyfriend smash day

Every day of the year is annual let your boyfriend smash day ( if you don’t wanna fuck then you must send him a titty or a booty pic)
Hey baby it’s annual let your boyfriend smash day, bend over

National smash day 

Every May 31st couples or friends have to smash
“Babe it’s national smash day you wanna smash me?”

smash owen day 

smash all the owens as hard as u can.
“did u hear tommorows smash owen day.”
smash owen day by hairyasshole22 September 19, 2019

Smash Everything day 

Smash anything you want any time you want
“Woah why did you just give me backshots?”

“It’s smash everything day bro”
Smash Everything day by TheChickenDude September 11, 2022
More from Urban Dictionary

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
Load more