Typically a Generic Abbreviation of John the Retard: An over wieght craigslist spammer with no life that persistently post's the liberal montra even though none of it is fact based in rants & raves.

An underemployed loser living off of unemployment for as long as possible while never looking for work

Mindless Liberal idiot spammer
The JtRD keeps posting the same drivel even though everyone knows his posts are factually deficient and been proven wrong over & over.
by 350 million Americans November 15, 2010
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