2 definitions by Spid!

A person who believes in thanosism
Person 1: Hey are you a buddhist?
Person 2: No I'm a Thanosist.
by Spid! May 28, 2018
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A religion in where you worship Thanos.
Person 1: Hey dude, what religion do you believe in?
Person 2: I believe in Thanosism.
by Spid! May 28, 2018
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