noun. The step past lettuce. Usually a lacrosse term to refer to a bro, flow is the plethora of hair (flowing) out of the back of a helmet. Flow is also seen when bros just let it rage.
"Mama I haven't had my flow in two months!" "Girl I'm gonna kill you!" "Who done this to you?" "Mama I don't know" "You slut! You bringin the product of sex in my house!" "Get out! You and your little devil can rot out there on the streets!"