ACI 

Acute Carrie Insufficiency

Man, I'm really suffering from ACI, it's been a while since I last spoke to her.

ACI by grassknoted January 21, 2023

ACI 

Anal Cranial Inversion: One's head lodged firmly up into their rectum.

Don't ask for her advice, she's got ACI

ACI by 12kcolg November 2, 2008

ACI 

Anus Cleaning Incident

An incident during showering when one cleans his/her anus and water penetrates the asshole accidentally.

Mike: Dude, I had the worse ACI today. Almost pooped in the shower.
Rob: You should have used a low flow shower head to clean your ass.

ACI by innoslang September 3, 2014

Aci 

AWESOME PERSON!!!!!!!!!

Today i copped an aci

Aci by Churroreal November 23, 2021

ACI 

Best Agar.io clan right now!

ACI is best clan

ACI by anonymous February 15, 2022

Ven Aci Ahora 

This one sentence is every hispanic kids nightmare. You know you about to get the absolute shit out of you.

Mom:Juan Carlos Ven Aci Ahora
Friend: oooooooh you in trouble.
You: See you in heaven my amigo.

Ven Aci Ahora by Smalluncercamsized weewee69 January 16, 2019

the aci effect 

When a youtuber joins a discord chat and everybody .fights eachother to join too

Person 1: yo, *famous youtube name* just joined the chat
Person 2: Oh No! The Aci effect will happen!
*Lots of cringy peeps trying to join the chat*

the aci effect by minedor May 24, 2017