look up any word, like oprah dollars:
 
3.
a lie.

--
Matt says: hey katie

Katie says: be right back

Matt says: ok

Katie has left the conversation.
by Gymnocalycium May 17, 2009
 
1.
A terrible lie from which this person never plans to return.
6:26 PM - Micorg: Be right back

6:26 PM - Friend: Hurry back

1:39 AM - That mother fucker.
by Intimidation September 30, 2013
 
2.
I will return at some random point you are unable to predict... it could be as long as an hour :-P
I'll be right back!
by Jenna :) April 14, 2004