look up any word, like cleveland steamer:
 
1.
Anything fly, dope, sugary, or even perhaps down.
"Your Mom is fuckin' Galactic. She could get in deep for getting us that bottle."
by Owen M. February 15, 2005
 
2.
1. A member of www.shoryuken.com and www.rpgfan.com who often refers to himself in the third person and ends all his posts with ^_-;

2. SRKIA Lieutenant General
Galactic ends all of his posts with this:

^_-;
by Gantz December 17, 2004
 
3.
when you do something bigger than usual.
We did it real galactic at our show lastnight.
by Peril May 19, 2006