Someone who engages in blasting gays in the ass.
"Elton John's a total fagblaster isn't he?"
by BaftA June 22, 2006
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To out someone as a homosexual on a social networking site or other public forum with the intent to cause scandal or embarassment.
I stopped reading Perez Hilton's blog, because he likes to fagblast people.
by The Gay Crusader July 3, 2011
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