Hugs and kisses

88 is shorthand for hugs & kisses in Ham radio or when signing off in Morse code.

Now it is online jargon, also known as text message shorthand, used in texting, online chat, instant messaging, email, blogs, and newsgroup postings, these types of abbreviations are also referred to as chat acronyms

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See also : 143  HAK  HUGZ  XOXO  
NetLingo Classification: Acronyms and Text Message

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