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1 definition by Grammy Girl

 
1.
The method of transportation used by large groups that have a propensity towards singing, marching, flash mobs, or other group activities in a silly nature. Pronounced: sill-eh-bus-ez or sill-ee-bus-ez, dependant on region.
The new military classes got in their syllabuses to go to school (or training).
by Grammy Girl August 16, 2011