r4r means: Refer a friend. Usually, this is for Myspace users who are auto-adders or people who use sites such as FriendBlastr. To earn extra points, you can swap referral codes and sign up for each other’s links. They can then earn more VIP day on the site, which results in their image and link to include them on the main page. (in Community Dictionary, added by Tori Gay)

What else does r4r mean?

  • Stands for “redditor for redditor”. Reddit used to find posts and other areas of interest in relation to dating. (in Community Dictionary, added by Yadiel Vance)