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Fast Food Relationships

Gratification of a deeper need, but neither nourishing nor filling. Causes regret, self-loathing and massive weight gain in the long run.
Dang, the last three jerks I dated turned into fast food relationships. I gotta detox or something.
by KB Allstar August 9, 2012
mugGet the Fast Food Relationshipsmug.

Think fast chucklenuts!

Get ready cause if you hear someone scream this you are about to get flash banged by really anyone. Most commonly the Scout from TF2.
by Freaky_Fesh May 30, 2023
mugGet the Think fast chucklenuts!mug.

fast food adultery

When you and your spouse say you are going to eat healthy together and then one of you eats fastfood in secret
It was only 2 weeks into the new year and I committed fast food adultery behind my wives back.
by Glenydotcom2 May 1, 2018
mugGet the fast food adulterymug.

fast forward equity

Time saved when pausing a dvr recording.
Oshit we're all out of fast forward equity now we have to watch a stupid commercial
by BigZac April 28, 2016
mugGet the fast forward equitymug.

Fast Food Restaurant

McDonalds- Crappy burgers, good shakes, and amazing fries.
Burger King- Amazing burgers, good shakes, crappy fries.
Wendy’s- Crappy Burgers, Crappy Shakes, Crappy fries
by ESBirdnerd December 5, 2020
mugGet the Fast Food Restaurantmug.

Fast Growing Hierarchy

The fast growing hierarchy (shortened to FGH) is a method of defining large numbers. It takes in two inputs.

We define f(0,n) = n+1. For example: f(0,3) = 4. Next step is iteration. f(1,n) is f(0,f(0...f(0,n)...)) where f(0,...) is iterated n times. For example, f(1,2) = f(0,f(0,2)) = 4. Same rules for f(m,n).

Now let's define what ordinals are. Very simplified, they're a kind of infinity.
Consider this: |||....|

This has infinite sticks, but there's a 1st stick, 2nd stick... the last stick is the ωth stick. You can have ω+1, ω+2, ω+3 etc too. For our purposes, a limit ordinal is an ordinal that has no finite part at the end (so ω+3 is not a limit ordinal but ω×3 is.).

So how can we use this within FGH? We need to define a fundamental sequence (FS). An FS is the steps we take to reach a new limit ordinal. So the FS for ω is 0,1,2... and for ω×2 it's ω,ω+1,ω+2...
We can write this as: ωn = n, ω×2n = ω+n, ω^2n = ω×n and so on. There are more ordinals, but it'll do for our purposes.

This is not the only system for an FS. There's more, but I cannot fit it in an entry.

Now consider an ordinal α. Now FGH can be defined concretely:
for f(α,n):
if α is 0, it is n+1.
if α is not a limit ordinal, it is f(α-1,f(α-1...f(α-1,n)...)) where f(α-1,...) is iterated n times.
if α is a limit ordinal, it is f(αn,n).

Let's do an example: f(ω,3) = f(3,3) = f(2,f(2,f(2,3))). I know that f(2,n) = n×2^n, so it's 1.804356 × 10^15151336, which is HUGE! Imagine how large f(ω,10) is.
Graham's Number is approximately equal to f(ω+1,3) within the Fast Growing Hierarchy.
by cyclopentane December 1, 2022
mugGet the Fast Growing Hierarchymug.

Fernandez Fast One

When your family member intentionally or indirectly screws you over in a business specifically in real estate, loans, or theft.
Joe pulled a Fernandez Fast One over Peter when he sold the house to him. He screwed over Joe with ease.
by anonymousjoseph June 25, 2017
mugGet the Fernandez Fast Onemug.

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