A pointless way of writing "fuck" on social media sites, such as Facebook, Instagram or Twitter. It's a purposeful misspelling of the swear word, which makes people feel less guilty about cursing publicly.
Emily: "I'm really worried about Amanda Bynes."
Kelly: "Amanda Bynes don't give a cfuk about you-dat bitch just stupid."
Emily: "But Lance Bass says he's concerned that she's really mentally unstable. If Lance is concerned, you KNOW it's serious!"
Kelly: "What the cfuk...?"
Kelly: "Amanda Bynes don't give a cfuk about you-dat bitch just stupid."
Emily: "But Lance Bass says he's concerned that she's really mentally unstable. If Lance is concerned, you KNOW it's serious!"
Kelly: "What the cfuk...?"
by SandySquirrel August 19, 2013
Get the cfukmug.