Fackit 

A family friendly way of saying, "fuck it".

I don't know how to spell that word. Fackit, I'll just use spellcheck.

Fackit by lmaiga July 2, 2016

fuckity shit 

a noun/adj combo used on rare occasions where the words fuck and shit are not sufficient. it’s not to be taken lightly, it’s not a joke.

**I just found out i’m going to the dentist and i haven’t brushed my teeth in 2 whole days** “Fuckity shit!!”

fuckity shit by ceo of fuckity shit February 20, 2020

Fuckitism 

A fall back, Nihilistic philosophy, often fueled by the use of alcohol, embraced by many when circumstances feel completely unmanageable.

My core belief in Fuckitism has saved me many times when being a loser is a most repugnant option.

Fuckitism by Dr Bunnygirl June 11, 2018

Fuckity Fuckity Fuck Fuck Fuck 

When shit happens and you need to vent.

Teacher: You got a 0 on your test for being late...

Student: FUCKITY FUCKITY FUCK FUCK FUCK!!!

Fuckity Fuckity Fuck Fuck Fuck by th3flyboy February 24, 2009

fuckity fucking fuck 

The better way of saying "fuck"

HOLY FUCKITY FUCKING FUCK WHAT THE FUCKITY FUCKING FUCK IS GOING ON!?!?

fuckity fucking fuck by Not Aaron Krause August 3, 2016

fuckitybye 

a different way of saying goodbye to someone over the phone irritably

example
Congratulations on your baby ....... alright Fuckitybye!

fuckitybye by MalcolmTucker December 3, 2014

Fuckit syndrome 

A point in your life were you dont give a fuck about anything and anyone. You also won't care what you say to people.

At this time you might be called an asshole every 2 or so hours.

man1:Dude you've been a real asshole.

man2:Yea last week i got the Fuckit syndrome.

man1:I had that last month.

Fuckit syndrome by The Darkness1991 January 3, 2010