/thread 

This gets used on messageboards / forums to signify that the previous post (or a post that has been quoted) is either of such high standard / very useful and answers the question of the original post / owns someone that the thread cannot possibly contain any post that's better.

USER 1: Hey guys, who do you reckon is the greatest rock band in the world.

USER 2: Black Sabbath

USER 3: /thread

/thread by Heidious March 4, 2007

/thread 

When someone kills a thread with the perfect answer. Therefore there is no reason for this thread to still be open.

Random guy seeking sex advices: How would I go about approaching an Islamic girl at college?

Random Guy #2: With a Bomb Squad.

Randomg Guy #3: /thread

/thread by masongr July 7, 2014

/thread 

Close thread

Used in various forums to signify that this thread needs to be closed for various reasons

Thread title: Free Porn
Poster: "/thread"

/thread by hdevonxz October 20, 2006

/thread 

Used on 4chan, when someone replies "/thread", it basically means "end thread".

It's basically a call for everyone to stop posting as a conclusive answer has been found. Sometimes used humorously

>OP likes traps, and so because traps are gay, OP is a fag

/thread

/thread by YE BROSKI November 4, 2020

/thread 

A forum term used when nobody posts in a thread for a certain amount of time, or when a person makes a smart-ass remark therefore rendering the thread useless. Known to most people as "the end of the thread." Can also be used for the end of a post or any other event not regarding the thread.

Poster #1: Which person would you like to ban from this forum?

Poster #2: You.

/thread

/thread by Zettish October 25, 2009

/thread 

/thread is used ironically uncommonly
when someone quotes dumb post/s on the imageboard and sums up ironically the value of the message behind them

When posting for example on lgbt board things like;
The female body is beautiful and aesthetic. You'd have to be fucked in the head to not like it.

and the other user quotes your post and writes;
/thread

/thread by jagth March 4, 2018

thread 

On a message board, the inside of a topic revealing all the messages.

This thread sucks!

thread by hfs May 16, 2003