LKR is not a known texting acronym, but you are likely referring to "IKR", which stands for "I know, right?" This is a common text messaging response indicating strong agreement with a statement another has made.
This shorthand became mainstream with the 2004 movie "Mean Girls" starring Lindsay Lohan and has been popular in texts, chats and message boards ever since.
See a comprehensive list of text message and online chat abbreviations to help you translate today's texting lingo on Webopedia.com.
Tip! Text messaging is becoming commonplace among employees at many organizations, but key guidelines and rules are necessary to keep systems and data safe.
Here are 10 Policies to Support Secure Text Messaging shared by Information Management.