0=3 Share definition Flag look at it from the side and it looks like a penis the 0 looks like the head the equals looks like the main part and the 3 looks like the ball sack. Ummm.. i dont have a real example of 0=3 0=3 by Emeror Goose April 18, 2006 0 0 Get merch Get the 0=3 mug. Buy Now — $32.95 See more merch