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Pop a stiffy 

When you have a sudden increase in blood flow to the penis from sexually arousing scenarios which causes the penis to puncture a hole through the article of clothing in which the stiffy is concealed.
Pop a stiffy by Chode Buster May 21, 2011

rockin’ a stiffy 

when a person with a penis gets a boner…
Damn! I was just standing there and Brad was rockin’ a stiffy. Man’s packin’.
rockin’ a stiffy by BeckyG420 July 15, 2022

erect-a-stiffy 

use of an already large and erect penis making it even more larger and more erect. How? i don't fucking know
my boy im about to erect-a-stiffy
erect-a-stiffy by penisman4273 January 23, 2023

Pop a Stiffy 

A way of stating that the male penis is soon to ejaculate. Otherwise known as a boner.
I Pop a Stiffy everytime I get to walk behind Payton
Pop a Stiffy by Blevinz11z May 31, 2012

Crack a stiffy 

Crack a stiffy

The process where ones penis changes state from being flaccid to being erect.

Commonly used in Australia

Also know as crack a fat
Scene: At the local swimming carnival, Peter has just one the 100m freestyle event. Elated, he leaps from the pool in his DTs (dick togs) but clearly he has an erection.

Mary:- OMG whats going on with the front of Peters togs?
Sarah:- Der Mary, ever heard the term crack a stiffy!
Crack a stiffy by REDDORDOP April 20, 2017

Touch a stiffy 

When a heaps rough person leaves a nightclub in his undies asks ppl for a favour on their way to work but gets in a fight with a lawyer that’s also a secret ninja
That dude pitched a tent in his ripped undies and left the nightclub to touch a stiffy bro now we can’t say if he’s been knocked out or he’s having a Power Nap
Touch a stiffy by Hectic Mooslie October 8, 2023
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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