Modern-day hieroglyphic

• Texter's heart, for one
• Pictorial symbol in a text message
• Japanese style of symbols used in text messaging
• Expressive chat image
• Bit of graphic language?
• Latter-day pictogram
• Expressive tweet space-savers
• Little image from a texting menu
• Expressive characters

Wiktionary Word definitions in Wiktionary
n. Any of the standardized ideogrammatic icons used in Japanese text messaging (which have since been adopted internationally).