look up any word, like the eiffel tower:
 
2.
An aeon blue in joke meaning "Go blow the walrus."
STFU & GBTW...oh you aren't at work? well GBTW then!
by Zep March 02, 2005
 
1.
A Farkism meaning Get Back to Work.
Hey, why are you posting boobies links at 2 on a wednesday? GBTW!
by Tank! December 23, 2004