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(1) The practice of openly or covertly maintaining multiple distinct identities, either online or offline

(2) Possessing, for better and/or worse, an exceptionally undefined and mutable personality / sense of self
You're having a Facebook conversation with a joke account you created for your kettle!? This disturbs me; it's tantamount to Teiganism.

Lyn Hershman's creation of Roberta Breitmore would today be referred to as 'Teiganism', but in fact predated the invention of the term by forty years.
by Henry Gagblat November 09, 2010
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