SIC1 Share definition Flag A word to describe a certain event or item as very cool. Often said by people who are familiar with the words 'Brill' and 'Shizz'. Guy 1: Yeah!, my mum is letting me have a BBQ this weekend Girl 1: Ahh man, SIC1 SIC1 by Jamie Pilgrim May 5, 2009 0 0 Get merch Get the SIC1 mug. Buy Now — $32.95 See more merch
