Discover what hashtags mean, and add your own definitions in seconds.

Discover what hashtags really mean.

  • Enter hashtag or search phrase
Tip: Enter two or more words to search for hashtags that match these words. E.g. "2015 Conference"

Details for #fb

First definition added on May 10, 2009.
28 definitions have been added since then, the most recent on May 12, 2014.
The most popular definition currently has 1261 upvotes.

This tag is used by people who have installed the Selective Twitter Update application on Facebook. Tweets ending in #fb are automatically imported to Facebook, all others are ignored.

Time is in UTC

Back to the definition of #fb