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."
For the largest list of Internet acronyms and text message jargon, click on "more info" below!