Definition of "fack" [fack]

• An obsolete form of fake. (noun)
• Perverted forms of faith, used in oaths. (noun)

The Century Dictionary (Public Domain)

• "An FAQ (or a FAQ, for those who pronounce it 'fack') really means 'a list of frequently asked questions, 'not 'a frequently asked questions.'"
• "Meet columnist Danny Tryer as he tries his hand at some 'fack'n' Shakespearian tragedy."
• "F.A.Q. for "frequently asked questions," sometimes pronounced as an initialism ("eff ay queue") and sometimes as an acronym ("fack")."