Top Definition
Contains Superior Intelligence bro

Usually typed <csibro, as the "<" is pointing at yourself in a chat. Its used for trolling on a lighter scale or to lead to a troll build up. Basically calling others more stupider than you but, sounding more smarter than the stupider people.
Joe: Wats with these peeps? They r baddies.

Jack: STFU noob!

Joe: UMADBRO?

Jack: <csibro

Joe: Huh?

Jack: exactly...
by Irreligious November 08, 2011
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