1. The beleif that Princess Celestia is, in fact, secretly either a tyrant or a troll.

2. The brony equivelant of trollface
I personally think that the whole "Trollestia" thing is an elaborate ruse started by her younger sibling, Princess Luna as a form of revenge for trapping her in the moon for 1000 years, but...yea...
by Ponky Poo June 23, 2011
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(noun)

Alter-ego of Princess Celestia from My Little Pony: Friendship is Magic; also known as Princess Molestia and Professional Tea Troll. She is de facto troller of Equestria.

The nickname, adopted by the bronies, is a portmanteau of a word troll and Celestia. The name is attributed for her particular actions and behaviors, which is interpreted by most bronies (citation needed) as trolling.
Princess Trollestia is a professional tea troller.
by nickodadvincireborn August 7, 2011
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