Pronunciation: \ˈtwē-ti-ˌgō\
Function: noun
Inflected Form(s): plural twee·ti·goes or twee·ti·gos
Etymology: Middle English imitative hybrid, combined with Latin vertigin-, vertigo, from vertere to turn.
Date: 6/19/2009

Definitions:

1a: A sensation of motion in which the individual or the individual's surroundings seem to whirl dizzily, triggered by either first real usage and experience and/or after excessive use (a.k.a "tweeting") of Twitter, a social micro-blogging site.

1b: May also be associated with excessive use of micro-posting to other sites, i.e. Facebook, etc.

2: a dizzy confused state of mind after "tweeting" or "Facebooking" excessively.