Meaning
A masked figure in a dark costume with an evil look, the supervillain of comics and action films. This is the gender-neutral version; man and woman versions exist, with skin tones for each.
It is used jokingly for evil plans, small acts of mischief and anyone acting like the bad guy, such as taking the last slice of pizza. Example: “Changed the group chat name while everyone was asleep 🦹😈”