1.
tagging, adding tags
The act of tagging someone in a social media post or photo, or adding category tags to content for organization. Widely used in the context of Instagram, Twitter/X, and other platforms.
勝手にタグ付けしないでほしい。
I wish you wouldn't tag me without asking.
タグ付け refers to tagging — linking someone's account in a social media post or photo, or adding category labels to content.
Forms
タグ (from English "tag") + 付け (attaching). Used with する: タグ付けする.
Common patterns
Related SNS terms
Usage
Primarily a social media term. Etiquette around tagging (especially tagging without permission) is a common topic of online discussion.