What does BRB mean? 2019-07-23T15:21:55+02:00July 25th, 2019|0 Comments BRB means “be right back“. And be right back can also be written and meant as “afk“. Show it your friends! FacebookTwitterLinkedInRedditTumblrPinterest Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.