Top definition
Mainly came from the word "Sicado" from the native mountains of northern Luzon, Phillipines. Now used as a code name in some place is South-Eastern part of Asia.
The right meaning of this word is not clear for people aging from 16 to the 20's use it differently like "Sick Guy", "Cool boy", "Unknown" and other more definitions.
It is a name mainly used positively for new kids in town.
Hey, Check "Sicadian" o'er there actin like he's got some.

Yo, "Sicadian", from where you at?
by Asther Dela Fuente June 18, 2006
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