10-4 She's Large Share definition Flag An expression used to alert predominantly white people that a large person or cop is coming. *the police arrive at the party and walk in the back yard* "10-4 she's large" *the kids run away* 10-4 She's Large by John Katusa August 13, 2018 0 0 Get merch Get the 10-4 She's Large mug. Buy Now — $32.95 See more merch
