Icelandic geiser Share definition Flag The grand dick of some Icelandic person. "In Iceland we call that Icelandic Geiser" "Oh that's a big dick" "In Iceland we call that Icelandic Geiser" Icelandic geiser by Kasmie December 5, 2014 0 0 Get merch Get the Icelandic geiser mug. Buy Now — $32.95 See more merch