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A nickname commonly used to refer to the organization knowns as Pi Beta Phi, or its members. Pi Beta Phi is Fraternity for Women whose mission is to promote friendship, develop women of intellect and integrity, cultivate leadership potential and enrich the lives of members and their communities.
When you meet a Pi Phi, you realize immediately that there's something unique about her.
pi phi by PanhellenicPrincess April 4, 2004
This is the greek phrase for bitch club.
All these Pi Phi's be makin my penis soft.
pi phi by Chirp Chirp December 11, 2004
any egregious acts such as trashing or vomiting in someone's house or in a public location that may ruin the night, the place or the persons life. (in some cases may incur one fines or lawsuits)
1:man chris puked all over and tore up my couch last night
2:yea man, he really pi-phi'd your house

1:you hear about those girls that pi-phi'd homecoming?
2:yea, they were a real class act.
pi-phi by J.J. Cales May 29, 2010

pi phi drunk 

A an attractive girl that has consumed much more then the legal amount of alcohol at an innappropriate time, causing her overly attractive male entourage to carry her somewhere.
OMG, that girl being carried down the bleachers is so Pi Phi Drunk! Damn. The game hasn't even started yet! She has not yet had an opportunity to "Back the Bears" as her shirt is stating!
pi phi drunk by MeredithA September 22, 2008

Alpha Pi Phi 

The classiest sorority to ever exist. These ladies don't mess around. Every bake sale is always a big success. If there's one thing these ladies mean business about, its baking a mean cupcake. When it comes to recruitment, they know how to shine. These girls will blow you away with their perfect hair and hot looks. Founded in 2009, these ladies sure know how to recruit only the ideal sister. The class these girls have could send Audrey Hepburn running for her money. Watch out, these girls are fierce.
"I wish I my sorority sisters were classy and pulled together like those Alpha Pi Phi girls. I'm embarrassed to be seen with my track pant wearing disaster of a sorority."

"Why do those Alpha Pi Phi girls always have the yummiest treats at their bake sales? There is no use even trying when competing with them. Let's go home."

"Why do all the fraternity men always ask the Alpha Pi Phi sisters to their formals? Its not fair."

Pi Kappa Phi

The sweetest guys on any college campus. Pi Kapps are not to be confused with Pikes (aka Pi Kappa Almost).

Doesn't matter who is on campus, Pi Kapps are the best out there, and make the best boyfriends.
Pi Kappa Phi is better than all of your other fraternities put together.
Pi Kappa Phi by iheartpikapp May 20, 2008
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

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
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