QFT

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

It usually means "Quoted For Truth." This term specifically applies on forums and posting boards where users can edit their posts, thus the QFT holds the poster to their original statement. It is also used to express agreement with a previous poster's statement and validate its veracity. Other variations include "Quoted For Truthiness," "Quoted For Truthery," and "Quite F***ing True."

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