nah dave Share definition Flag This phrase is used when two friends see each other instead of the common hello. Note the name dave can apply to any male irrespective of age and race. EHSAN: Nah dave how you been bro? NASAF: daveee nahhh nah dave by nikibin November 2, 2006 0 0 Get merch Get the nah dave mug. Buy Now — $32.95 See more merch