Top Definition
A term used to describe a message written over social networking sites that is constructed specifically to make socially awkward males, usually E-hermits, feel better about there day to day lives grinding Sons of Hodir Reputation.

A rosietastic message is allways written by someone named Rosie because they are the only people perfect enough to handcraft them... except in rare cases when chuck norris writes an email, in which case it will allways be defined as rosietastic.

You may want to look up rosie to see the correct definition of how perfect they are.
Person A: Was that "Person C" smiling!?
Person B: Oh... yeah he was up untill 7:30am writing messages to some chick online...anytime i ask him about it he just screams... ROSIETASTIC!!
by flanJ May 09, 2009
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