Holy Zarquan's singing fish Share definition Flag An explicative used to discribe surprise. Used in the book, the hitch hiker's guide to the galaxy. Holy Zarquan's Singing Fish! -Ford Prefect Holy Zarquan's singing fish by k00ld00d321 December 31, 2004 0 0 Get merch Get the Holy Zarquan's singing fish mug. Buy Now — $32.95 See more merch