pee pee sniffer Share definition Flag one who engages in sniffing other mens pieces. "Tim is such a pee pee sniffer. I literally saw him on his knees smelling Rich's piece the other day..." pee pee sniffer by Ronald McGillen February 21, 2007 0 0 Get merch Get the pee pee sniffer mug. Buy Now — $32.95 See more merch