instabarf 

When you instantly vomit, commonly after takin a nasty shot or when you smell something dead.

"Did you see that dude chug that tequila out the bottle and then instabarf?"
Or
"When I looked in my girls little trash can by the toilet I straight instabarfed!"

instabarf by Cagz June 7, 2014

Instahard

For a male penis to go from a state of softness or relaxation to a state of an uncontrollable erection in the penis.
Mainly caused by a beautiful or attractive female when seen or spotted with the eyes.

A combination of the words: Instantly (Without Delay or Immediately) and Hard (Not easily penetrated).

"Man, I just got instahard when she walked in"

"Lola Luv = Instahard"

Instahard by Vinni-V February 16, 2010

Instafart 

A powerful fart, immediately filling the room with a terrible smell.

We were riding in the car and my wife let out an Instafart making it hard to keep my eyes from watering.

Instafart by Willybeee August 16, 2014

Instabam 

Slang for jacking off to someone’s image and comments on Instagram.

Since “pandemic life” has so radically changed our social lives, his favorite online activity is now the Instabam!

Instabam by Dr Bunnygirl September 5, 2020

Instacart 

A grocery delivery service where some stranger drives to your house with the groceries you order on it.

I need some stuff but I have to take care of my grandma for the day. I'll just Instacart it.

Instacart by legal4s April 14, 2021

InstaBeef 

Beef or some form of aggression/hate, between 2 people, formed from an argument or insulting comment on Instagram or any other social media.

I can't believe she made that comment! Now we got #InstaBeef!

InstaBeef by MentallyEvolved September 9, 2018

Instaban

-verb
A compound word from "instant" and "ban"; to be banned instantly, as from an online game or web forum.

-adjective
A behavior for which there is zero tolerance, which will likely result in an instant ban.

As verb: You'll get an instaban for that if you're not careful.

As adjective: Posting child porn is an instaban.

Instaban by Termy August 3, 2007