6:22 Share definition Flag Commonly used in the fire service, a 6:22 is someone who's been a member for 6 months, and act as if they have 22 years of experience/training. "Michael likes to do things without permission a lot." "Yeah man, he's such a 6:22." 6:22 by Captaintouchems June 28, 2014 0 0 Get merch Get the 6:22 mug. Buy Now — $32.95 See more merch