Whizzle Share definition Flag The slang term for Whidbey Island, Washington. Although chances are you've never heard of the island it is the biggest non-man made island in the US. I'm from the Whizzle. SWHS is on the Whizzle. There's a navy base on the Whizzle Whizzle by axldance September 27, 2005 0 0 Get merch Get the Whizzle mug. Buy Now — $32.95 See more merch