to be calm, cool, flowing. relaxed in an upbeat atmosphere
My boyfriend was lucubrious with me, even though the club was bouncing.
by Jacks July 30, 2003
chill; relaxed; calm
"we can keep chillin' like ice cream fillin', we can be cool in the gang if you'd rather hang. ain't no thing. i can be lucubrious with youuu"
by alscial January 28, 2009