dick flapping in the wind Share definition Flag slang term, i.e. Don't leave me hanging out to dry! To idle blindly. No direction. Uncertainty. Well call me and let me know what is up! Don't leave me with my dick flapping in the wind! dick flapping in the wind by MustangGT September 26, 2005 0 0 Get merch Get the dick flapping in the wind mug. Buy Now — $32.95 See more merch