tri-dick Share definition Flag when a woman has a penis in her mouth, anus, and vagina all at the same time. I was hanging out with david, brad and justin the other night and I told them how I wanted them to tri-dick me. It was amazing! tri-dick by Jamilana May 24, 2008 0 0 Get merch Get the tri-dick mug. Buy Now — $32.95 See more merch