Shmag Pipes Share definition Flag A nickname for a kid who has an uncircumsized weiner. Did she suck on your Shmag Pipe last night Mike Perry. Hey it's Shmag Pipes Mcgee. Shmag Pipes by Johnnybot2000 July 16, 2008 0 0 Get merch Get the Shmag Pipes mug. Buy Now — $32.95 See more merch