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1.
A term combining the words Troll and Alert. Used in identifying a possible troll action.
Fred: Where should we go to dinner?
Mike: Wings and beer at 5:30.
Roban: Trollert!

In this example, Roban believes Mike doesn't actually want wings nor will he show up at 5:30. Trollert is therefore used to warn Fred of impending trolling.
by Ban86 April 09, 2013