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1.
A person in an online forum that is notorious for getting threads locked by the website's mods.

Slang for Threadkiller
CJ is a threadkilla, he has gotten 3 threads locked today.
by Dugpitz June 19, 2008
 
2.
A person in an online forum that is notorious for getting threads locked my the websites mods.

Slang for Threadkiller
Dug is a threadkilla, he has gotten 3 thread locked today.
by CJ Rank in June 19, 2008
 
3.
A person in an online forum that is notorious for getting threads locked by the website's mods.

Slang for Threadkiller
JackBauerCTU used all the tags and accidentally the whole thread. Oh, and threadkilla.
by Fazed.net October 04, 2008