Rag rooter Share definition Flag The practice of having sexual intercourse with a woman while she is on her periods. Guy 1- "Hey mate, I just rag rooted your mother" Guy 2- "Holy shit, you're a filthy rag rooter!" Rag rooter by Jamie Brittle March 31, 2007 0 0 Get merch Get the Rag rooter mug. Buy Now — $32.95 See more merch