F-Dub Share definition Flag Referring to Freshman Whores... take the F and W which makes F double U... get it F-Dub, F double U. Ew... She's such an F-Dub don't fuck her, she's dirty. F-Dub by Mckenzie, Gianna, Taylor, and Kim aka Zebra Girls oh and the SC LOCS JOSH, JACKSON, AND ERIC September 5, 2006 0 0 Get merch Get the F-Dub mug. Buy Now — $32.95 See more merch