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1.
Troller's remorse is the feeling you get when you antagonize and troll some poor unsuspecting victim on a forum, game, chat room, or in person verbally and feel like a really big jerk afterward.

This feeling is usually accompanied by an overwhelming desire to apologize to the victim.
Troll: "You are so stupid and dumb, man I am so much better than you at everything ever."

Victim: "Man, that is so rude!"

Troll: "Yeah you're right I'm feeling some intense troller's remorse, sorry man."
by Zalipher October 05, 2012