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Pi and Friends

When the irrational number π appears to be particularly attracted to numerical buddies like e, i, and 𝜙 whenever they are indulged in some extra-mathematical activities together, as revealed by their intimate liaisons.
Don’t the following numerical relationships prove that pi and friends have an affinity for one another?
π ≈ 6/5 𝜙²
π ≈ (9 – e)
iⁱ = e^(-π/2)
e^(iπ) + 1 = 0

(- )! = √π
eⁱˣ = cos x + i sin x
by MathPlus February 5, 2021
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Friends with bænifits

As opposed to "friends with benefits", who occasionally hookup, "friends with bænifits" occasionally cuddle and watch movies.
Dana and Christian are friends with bænifits, they spent the day spooning on the couch.
by clichesasquatch November 29, 2014
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Concert Friends

A person or group of people you end up chatting with or befriending at a concert, that you never speak to again. You will probably just talk about said band and how great they are and compare notes as to how many times you've seen them. The friendship can begin on the beer line, on line for the bathroom or the general admission section when you are packed like sardines.
I pushed my way up to the front by myself and made concert friends that actually held my spot while I went to the beer line.

At the bar after the show we talked to randoms about how great it was and made concert friends.

In between sets we talked to the guys next to us about how awesome the band was, they made pretty cool concert friends.
by nish3010 July 31, 2011
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cactus friend

A friend with whom constant and consistent interaction is not necessary. Like a cactus, a friendship with them can survive extremely extended periods without contact.
Jen is a cactus friend, I hadn't spoken to her in six months and we went out last night like we haven't been apart at all.

I'm not a cactus friend, I need to hang out or talk more than once every six months.
by Gayth June 4, 2018
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best friend

somebody who love you when you are finding it hard to love yourself. somebody who puts you before everyone, even their SO. somebody who appreciates you more than the sun and the moon, and all the stars. somebody that a lot of people take for granted. somebody that people don't love as much as they shoud sometimes. sometimes people even don't realize somebody is their best friend until they lose them, or they lose everybody else instead.
"My best friend makes me so happy. She is always there for me."
by abuto_triangle January 14, 2018
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Therapist friend

A person who is always there and always tries to help. Synonyms include, Nico.
Yk, I rly wish I had a therapist friend rn
by Nicothepeco April 25, 2022
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Friend Up

F U.. or Friend Up means to step up as a friend and do something a friend requests; or to hangout. It can also mean to become friends with someone. Like the term 'man up', it's almost the same, but.. friend up means 'be a friend'. Friend Up is changing the way people see the abbreviation F U.
Example 1:
Person 1: Dude come inside the beer store with me
Person 2: I can't bro I'm way too high to handle seeing people right now
Person 1: Come on man... Friend Up
Example 2:
Person 1: Hey do you want to Friend Up?
Person2: Ya lets do it
by Friend Up January 13, 2015
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