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1.
Gangsta word for something that's tight, cool, or hip. Originally from the french word for Roman Numeral V.
Person A: Just bought massive speakers, built a bar, set up our laser light machine and am emailing the club list as we speak to let them know it's time to get lok'ed!
Person B: Dude, this is gonna be cinq.
by Devmaster11 August 17, 2010
 
2.
Gangster word for a cinquenta (dunno exactly how to spell it.
E.g/ Ma bad boi cinq
Yo look at the kitted cinq
by Someone who had to endure it January 09, 2005