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1.
a person addicted to myspace
bob is the biggest myspastic i've ever met
by bboyhobbit October 14, 2006
 
2.
When a person is constantly changing their myspace profile, posting new bulletins, or updating their status and mood.
JESS. Why are you still online? It's way late, girl.

ALLISON. Because I'm fixing my profile.

JESS. Wow. You are totally myspastic.
by Gingersnap007 April 17, 2009