wet the spread Share definition Flag To urinate on someone else's front lawn. Generaly done while standing on the front porch or steps. Dude, I had to tap a kidney but someone left a bowl winder in the loo so I went out on her porch and wet the spread. wet the spread by chickenbeak October 22, 2010 0 0 Get merch Get the wet the spread mug. Buy Now — $32.95 See more merch