inb4

An internet term that is short for "in before" used when someone replies to something before something that they anticipate to happen eventually happens.

Person 2: inb4 shit hits the fan

inb4 by OoftheDoof! July 19, 2021

inb4

Generally used on internet forums, inb4 refers to a user posting a reply to a message/topic "before" another user posts an obvious response. When used appropriately, inb4 is followed by a word or short phrase that the user knows will eventually appear in the topic conversation.

Jonny113: Jiraiya would beat the crap out of Itachi.

Steven387: inb4MS

Mike128: You know Itachi has MS, so Jiraiya doesn't stand a chance.

inb4 by CM Joker January 17, 2009

INB4

You are calling something, you bet that it will happen.

inb4 a nerd said this to you

INB4 by Womaniser March 5, 2016

inb4lock 

In before lock. To post in a topic before it gets locked.

inb4lock

inb4lock by Anonymous3154 November 3, 2008

inb4 404 

a 4chan phrase that means "in thread before (b4) it 404's (gets deleted (you get a 404 error message when a thread is deleted))

"Anybody got some CP?"
"inb4 404"

inb4 404 by Vermin Supreme January 3, 2009

inb4ban 

The process of viewing/posting in a thread on a forum before it is obliterated. Usually this is due to uncalled profanity against the forum's rules, such as posting pr0nz pictures.

too bad that thread closed yesterday, so many people didn't get to see the lolz. i was totes inb4ban! now it's gone forever.

inb4ban by anotherlamepseudonym June 11, 2011

inb4b7 

A statement made by a by-stander of an internet forum about to witness a peer about to become vanned, banned, banhammered, suspended, purged, or otherwise raped by an admin/moderator.

inb4 (statement was made before event happened) b7 (ban)=inb4b7

inb4b7 by Tookykins June 21, 2011