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.
Verb, to jang: To hang out actively with friends, usually involving dancing/drinking/partying, and with the purpose of both having a good time and sticking together as a group. Usually used in the context of a group of college friends hanging out in a different/foreign location.
Person A: Did you just get her text?
Person B: Dude Fuck off it's 4 am! I'm trying to get some sleep!
Person A: Dude, she's leaving tomorrow morning and wants to jang with her friends one last time before she goes. We should be there for her.
Person B: Aah you're right. I'm getting up. Let's Jang!