Here’s what it means if you see an eight-ball emoji on Facebook
If you’ve seen an eight-ball emoji popping up on Facebook Messenger, you might be wondering what it’s all about. Answer: it’s a campaign about prostate cancer (with the ‘eight’ apparently referring to the second half of ‘prostate’, although it appears to be an unofficial campaign). The black eight-ball emoji is popping up due to a viral message which is spreading via Facebook Messenger – urging men to post the image on Facebook.
11 May 2017 ... If you've seen an eight-ball emoji popping up on Facebook ... The message says, 'Hi mate, trying to raise awareness for prostate cancer.