Top Definition
Totally amazing, incredible, and mind-blowing.
That concert was off the dome!

My new screenplay is off the dome!

My Jabba the Hutt socks are off the dome!
by Rick Herringbone April 09, 2016
improvised, as in freestyle raps (dome=head).
"bitch you gone / I freestyle, I'm off the dome"
-lil flip
by scose January 18, 2005
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