Any of the standardized emoticons used in Japanese text messaging.(noun)
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Use "emoji" in a sentence
"Most of the time it is the built-in emoji graphical icons."
"And of course, they have a full range of cartoony emoticons, called emoji, if you're into that."
"The number interested in smartphones is pretty low, but I suspect that they have an image of being foreign market-designed phones that feature few of the essential Japanese functions such as emoji, One-seg television, and smartcards."