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Spontastic 

Some friends were hotboxing a car, having a coherent discussion about a topic that is no longer remembered, when one of the friends remarked, "...a spontastic lightning strike."

The root of the word is a bit of a mystery, but most likely it is a stoned mixup between spontaneous and fantastic. Such can be taken as the meaning.
Five minutes after the session, I was spontastically stoned.

I had some spontastic sex last night...with your mom.
Spontastic by The Brain May 5, 2004
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Spamtastic 

This word can be used in several ways.

1.) To desribe how much you enjoy spam ham.

2.) An sarcastic way of saying your pissed about your junk mail.

3.) Just another way to say "Cool" or "Awesome".
1.) Wow mom, this Macoroni and Chesee with spam is spamtastic!

2.) Matt opens his e-mail to find 4,294 new messages in his inbox. Sarcasticly he utters "Spamtastic".

3.) Kyle: I just found $100 under my bed!
Matt: Spamtastic!
Spamtastic by Dewit May 21, 2009

spaztastic

a person who spazzes out alot, hyper, acts like a crackhead without doing crack, often mistaken for a overly-joyed druggie, chronic, crazy.
look at her over there all spaztastic, she needs to calm down.
spaztastic by callme;) October 23, 2010

splentastic 

A word that is between splendid and fantastic, but it isn't one of them. It is the high feeling of feeling or seeing something splendid and fantastic. Also is not either one word ,it is both
1.)This is a splentastic day.
2.)I feel splentastic.
3.)You look splentatsic
splentastic by Mailyn April 9, 2015

Stantastic 

A "Polish" engineering report full of color and bullshit, containing little useful content. Features colors from the Polish flag. Very likely to please Dr. Stan "The Man" Lukowski.
This Dynamical Systems report is Stantastic....just look at all the red!

spintastic 

This is a term mostly used by those involved with Wheel of Fortune. It means fantastic, but the "fan" is changed to "spin", referencing the wheel in the popular game show. Pat Sajak, the host, has said this phrase a few times, which is how it stuck with the audience.
You're going to college? Well that's spintastic!
spintastic by KannaACNH October 23, 2022

spanktastic 

1.) Someone or something so sexy that it makes you want to spank the monkey.
2.) An ass so fine that when you see it you want to give it a smack.
3.) A severe bitch-slap beat down.
Wow that porn was spanktastic!
Holy shit that ass is spanktastic!
He got shit-kicked last night it was spanktastic!
spanktastic by roughhausen December 14, 2008
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
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