Mr. Hitachi Share definition Flag Nickname used in polite conversation for the Hitachi Magic Wand, the world's most popular vibrator and a girl's best friend. After watching Johnny Depp in The Tourist, I am in serious need of a visit with Mr. Hitachi! Mr. Hitachi by JettaC September 24, 2011 0 0 Get merch Get the Mr. Hitachi mug. Buy Now — $32.95 See more merch