6 O'Clock Charlie Share definition Flag A boner when you wake up, caused by pressure from a full bladder When I woke up today, I had such a 6 O'Clock Charlie that I had to do a Superman 6 O'Clock Charlie by jim nasium Jr. June 6, 2015 0 0 Get merch Get the 6 O'Clock Charlie mug. Buy Now — $32.95 See more merch