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One who disrupts the pace, ryhthm and progress of a Facebook thread by means of their insipid, irrelevant or offensive comments.

A person who by virtue of their lack of wit or perception, inability to grasp sacrcasm or innuendo or refusal to add meaningful or interesting commentary, can single-handedly bring a successfully flowing thread to a brake-squealing halt.
Allison: That was some funny shit that got posted last night!
Rhonda: Yeah, until that threadtard jumped in and sent the whole thing spiraling into the crapper.
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Gina: Nobody puts Baby in a corner.
Doofus: That's from Dirty Dancing!
Allison: No shit, Threadtard!
by Baroness Buttercup December 11, 2010
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Jun 20 Word of the Day
Marginalized Orientations, Gender identities, And Intersex. it’s meant to be an all inclusive umbrella term for asexuals, homosexuals, multisexuals, trans people, and intersex people. Alternative to LGBTQIAP+
Alternative to MOGII, easier to pronounce.
The MOGAI community in my city is very friendly.
by sebasty September 04, 2014
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