Definition

When a post, comment, or message is fixed to the top of a feed, comment section, or profile, making it persistently visible regardless of newer content. Pinning is typically done by the original poster or account owner to highlight important or featured content.

Example Usage

The creator pinned a comment announcing the contest rules at the top of the comment section.

Origin

Metaphor from physical bulletin boards where items were literally pinned to keep them visible; adopted by digital platforms.

Fun Fact

Pinned comments are often used by creators to amplify announcements, set community guidelines, or promote important links.

Source: Definition backfill (hailey)