"Shitposting" is an Internet slang term describing a range of user misbehaviors and rhetoric on forums and message boards that are intended to derail a conversation off-topic, including thread jacking, circlejerking and non-commercial spamming. On 4chan, the byproduct of shitposting is referred to as cancer.
The exact origin of the term "shitposting" is unknown, but the earliest-known instance was submitted to the Something Awful Forums on April 10th, 2007, when member OhSNAP!Tray used the expression when referring to worthless threads on the site's BYOB forum.
"To make utterly worthless and inane posts on an internet message board."
On March 26th, 2010, Urban Dictionary user Chunky Milk submitted an entry for "Shit Posting," defining it as the act of making an unconstructive post on an online forum.
"1: The failure to make a constructive post
2: The inability to add useful information to a forum
3: Worthless overly offensive generally racists posts written in a manner which aggravates others."
On April 27th, 2011, an entry titled "Shitpost" was created on the Internet culture wiki Encyclopedia Dramatica, which listed the /s4s/ (shit 4chan says) board and the /r/circlejerk subreddit as online communities associated with the practice. On October 22nd, the /r/shitpost subreddit was launched for discussions regarding low-quality posts across Reddit. On November 11th, 2012, Redditor RustledHard submitted a screenshot from a 4chan thread titled "Now this is what I call shitposting" to the /r/4chan subreddit, gaining more than 3,100 up votes and 40 comments prior to being archived (shown below).
On August 5th, 2013, FunnyJunk user Nahyon posted an expand dong-style Pokemon box art image titled "Le shitposting faic" (shown below, left). On November 6th, 2013, Redditor hardycoreman submitted an MS Paint illustration of a king standing in front of the computer titled "The Shitpost King" to the /r/Braveryjerk subreddit (shown below, right).
Funposting is the satiric synonym of the term shitposting. It is generally used as a mock classification against plaintiff opinions on shitposts.
Its earliest apperence comes from one of the thread on /a/ board when an anonymous user started to complain about how the shitposts derailed the older thread.
It's Still Shitposting Even If You Are Being Ironic
"It's Still Shitposting Even If You Are Being Ironic" is an expression used to criticize shitposters on 4chan often used in image macros featuring the character Keine Kamishirasawa from the Japanese game series The Touhou Project.
The [s4s] (shit 4chan says) board is often cited as a shitposting forum, known for popularizing the Topkek, gippo dude and dubs guy memes. The 4chan FAQ describes "shitposting" as "knowingly contributing low quality, off-topic, or ill intentioned posts."
Le Lenny Face ( ͡° ͜ʖ ͡°)
Spurdo Spärde is a poorly drawn character based on the sprite image of Pedobear. It was originally conceived in the Finnish imageboard Kuvalauta to mock the newcommers. The character is coarsely drawn on purpose and accompanied by captions that are misspelled and stylized in all cap with overly emoticon usage.
This Post Gave Me Cancer
That Post Gave Me Cancer is an image macro series commonly used in response to nonsensical or insubstantial posts submitted by the original poster (OP) or other users in a given thread.