trufax exclamation 1noun 1 exclamation1 •(Internet) An emphatic statement of agreement or affirmation.>I'm also annoyed that they seem to be turning Captain Jack completely gay. Trufax. That's all I've got to say. — 2007 noun[plural only]1 •(Internet) A piece of factual information; truth.During our precise research in random teenmags we came across various facts & quotes that unfortunately no one ever paid attention to. And nobody knows whether they are trufax or not. — 2008