seamen demon Share definition Flag A female (or possibly male) who is so ho'ish, that basically will gargle your seamen (makeing the demon noise) So I blew my wad, and that Seamen Demon caught it like the Toronto Blue Jays, RAwR! seamen demon by Groda Lotsapot September 12, 2008 0 0 Get merch Get the seamen demon mug. Buy Now — $32.95 See more merch