1) A merging of the words antagonist and agnostic
2) Someone that does not believe in religion but has read various religious works so they can better irritate and argue with door-knockers about why they are deluded
Had the Mormans knock on my door today. Spent an hour arguing with them because I'm an Antagignostic.
by jimsweirdnakedindianfriend December 1, 2009
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