flowbie Share definition Flag Flowbie is when a girl blows in your p hole till your balls are the size of tennis balls then she hits them with a tennis racket. Rob- Why the hell are you walken so funny? Josh- My girlfriend gave me a flowbie last night. flowbie by jbadd March 5, 2009 0 0 Get merch Get the flowbie mug. Buy Now — $32.95 See more merch