1 definition by CreeperReaperr

An acronym for "long time before a reply". Usually to suggest to a person that they made a fairly long pause in conversation in the event of texting or messaging.
Person 1: Hey.
An hour later...
Person 2: Hi.
Person 1: ltbr...
Person 2: Sorry, was taking a bubble bath.
Person 1: Oh, okay.
by CreeperReaperr October 13, 2011
Get the ltbr mug.