otashiwa Share definition Flag A common misspelling of "atashi wa," a less formal (and slightly female) version of "watashi wa," a Japanese phrase equivalent to "I...". "Atashi wa Amerikajin desu." I am an American. otashiwa by 4shadesofblue July 7, 2005 0 0 Get merch Get the otashiwa mug. Buy Now — $32.95 See more merch