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2.
Brillig: a re-invention of Lewis Carroll's 'brillig' and re-defined to be a shortening of 'brilliant,' 'awesome,' or 'cool.'
"Dude, check out that car over there, it is brillig!"
by brilligitsbel September 08, 2009
 
1.
1. four o'clock in the afternoon
2. the time when you begin broiling things for dinner
1. "'Twas brillig..." (Lewis Carroll, "Through the Looking-glass and What Alice Found There")
2. His mom starts dinner at brillig.
by zeekage October 26, 2003
 
3.
Brillig – Four o'clock in the afternoon: the time when you begin broiling things for dinner.
"dude, when is the movie showing?" "It starts about quarter after four, so be there about brillig..." (Meaning, be there about four O'clock in the afternoon.)
by Kyle Jabber Billings May 26, 2007