Like Back
Shorthand for “like back,” as in the moment when someone likes or follows you on social media and you return the favor by hitting the same button on your own screen :)

LB is an abbreviation seen in texting, online chat, instant messaging, e-mail, blogs, newsgroup postings, and social media.

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See also : FB  LMS  PLU  IYQ  
NetLingo Classification: Acronyms and Text Message

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