A skull and crossbones displayed on a black flag, used on pirate ships, also known as a Jolly Roger.
The Pirate Flag emoji is a sequence of the 🏴 Waving Black Flag and ☠ Skull and Crossbones emojis. These are combined using a zero width joiner between each character and display as a single emoji on supported platforms.
Pirate Flag was added to Emoji 11.0 in 2018.
🚩 New in 2018: requires updated software.