The phrase "to tag a friend" means to mention or identify a specific person in a post or photo on social media.
Sentences with «to tag a friend»
Run contests and offer discount coupons to those who share your social posts and / or tag friends in your posts. (entrepreneur.com)
If you want a chance to win a delivery of all 7 new dairy - free flavors, tag a friend who you think could predict our other original dairy - free flavor. (health.com)
You can enter by filling out the Rafflecopter entry form below and also by tagging your friends on Instagram here. (lavenueblog.com)