Top Definition
#fb
Twitter hashtag for posting your tweets to facebook. An app on facebook, selective tweets, will post every tweet with the hashtag "#fb" to your facebook wall as well as twitter. Any tweet you post without "#fb" will not be posted to your facebook wall, only to twitter.
I want this tweet posted to twitter and facebook. #fb

I want this tweet posted only on twitter.
by twittered January 02, 2012
#fb
twitter hashtag for "fucking beautiful"
@diplo: I am one with the sunset #fb
by @xurs March 29, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×