thread crapping 

v. Thread crapping occurs when a person comes into a thread and posts something contrary to the spirit/intent of the thread, often derailing the discussion or turning it into an argument.

Coming into a thread titled "I love my new Apple Macintosh!", and posting "PCs are better and cheaper" is thread crapping.

thread crapping by keyshaw March 23, 2010

Threadcapping 

Going through threads on a forum and posting nothing of relevance to the thread.

Bob was threadcapping to raise his postcount.

Threadcapping by Havoxx March 11, 2007

thread crapping 

Making off-topic posts in a thread on a message board.

This has nothing to go with the subject, stop thread crapping you idiot!

thread crapping by cvrefugee February 3, 2005

Thread Crapping 

Posting in a large amount of threads in a relatively short period of time, often the post adds no important contribution to the thread. Related to spamming.

Poster #1:I dont know, M is one of the variables.
Poster #2: Jacksons an idiot.
Admin: Poster #2 permabanned for thread crapping.

Thread Crapping by Jon the asian January 8, 2011

Thread Crapping 

Negative comments in a forums for sale area.

-Off topic comments are "Thread Jacking".

Thread crapping in the for sale section is not allowed.

Thread Crapping by MiseryQ October 4, 2006