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2.
To massage your own worldview by rejecting facts or other information that conflicts with it. To condemn the expression of opinions that differ from your own. To deny the validity of all worldviews other than your own. See plasturbate.
"He refuses to listen to what other people have to say; he just plasturbates."

"Don't bother talking to her unless you like hearing plasturbation."
by JohnnyReb87 February 12, 2009
 
1.
the act of masturbating when you are drunk, or "plastured"
Bro that dude over there is in a gnarly plasturbation sesh.
by california bro February 08, 2011