rain gutter Share definition Flag when a girl gets alot of cum in her mouth. Ohh...Andy, you make me feel like im a rain gutter with all this cum in my mouth..yummm..andyyyy oh yeahhhh rain gutter by soadjaslkdamas November 9, 2007 0 0 Get merch Get the rain gutter mug. Buy Now — $32.95 See more merch