Meaning
A person crossing both arms in front of the chest in a big X, the gender-neutral version. Literally it means no.
It is a firm refusal: not allowed, absolutely not, or stop right there. It is often used playfully to reject a bad idea or block a spoiler. Man π ββοΈ and woman π ββοΈ versions exist, plus skin tones. Its opposite is π. Example: βAnother group project with zero planning? π β.